Home / 2,811.18-4,207.50-2,193.06

Finding the Fourth Proportional to 2,811.18, 4,207.50 and 2,193.06

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Solution

The fourth proportional to 2,811.18, 4,207.50 and 2,193.06 is: 3,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.18 : 4,207.50 = 2,193.06 : x
  2. Step 2: Convert to fraction form
    2,811.18/4,207.50 = 2,193.06/x
  3. Step 3: Cross multiply
    2,811.18x = 4,207.50 × 2,193.06
  4. Step 4: Simplify right side
    2,811.18x = 9,227,299.95
  5. Step 5: Solve for x
    x = 9,227,299.95/2,811.18
  6. Step 6: Final answer
    x = 3,282.36

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.