Home / 2,211.35-3,299.84-1,977.66

Finding the Fourth Proportional to 2,211.35, 3,299.84 and 1,977.66

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Solution

The fourth proportional to 2,211.35, 3,299.84 and 1,977.66 is: 2,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.35 : 3,299.84 = 1,977.66 : x
  2. Step 2: Convert to fraction form
    2,211.35/3,299.84 = 1,977.66/x
  3. Step 3: Cross multiply
    2,211.35x = 3,299.84 × 1,977.66
  4. Step 4: Simplify right side
    2,211.35x = 6,525,966.52
  5. Step 5: Solve for x
    x = 6,525,966.52/2,211.35
  6. Step 6: Final answer
    x = 2,951.13

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.