Home / 3,409.23-5,113.35-1,217.64

Finding the Fourth Proportional to 3,409.23, 5,113.35 and 1,217.64

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Solution

The fourth proportional to 3,409.23, 5,113.35 and 1,217.64 is: 1,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.23 : 5,113.35 = 1,217.64 : x
  2. Step 2: Convert to fraction form
    3,409.23/5,113.35 = 1,217.64/x
  3. Step 3: Cross multiply
    3,409.23x = 5,113.35 × 1,217.64
  4. Step 4: Simplify right side
    3,409.23x = 6,226,219.49
  5. Step 5: Solve for x
    x = 6,226,219.49/3,409.23
  6. Step 6: Final answer
    x = 1,826.28

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.