Home / 3,688.10-5,532.14-1,223.16

Finding the Fourth Proportional to 3,688.10, 5,532.14 and 1,223.16

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Solution

The fourth proportional to 3,688.10, 5,532.14 and 1,223.16 is: 1,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.10 : 5,532.14 = 1,223.16 : x
  2. Step 2: Convert to fraction form
    3,688.10/5,532.14 = 1,223.16/x
  3. Step 3: Cross multiply
    3,688.10x = 5,532.14 × 1,223.16
  4. Step 4: Simplify right side
    3,688.10x = 6,766,692.36
  5. Step 5: Solve for x
    x = 6,766,692.36/3,688.10
  6. Step 6: Final answer
    x = 1,834.74

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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.