Home / 4,073.32-5,621.10-2,280.72

Finding the Fourth Proportional to 4,073.32, 5,621.10 and 2,280.72

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Solution

The fourth proportional to 4,073.32, 5,621.10 and 2,280.72 is: 3,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.32 : 5,621.10 = 2,280.72 : x
  2. Step 2: Convert to fraction form
    4,073.32/5,621.10 = 2,280.72/x
  3. Step 3: Cross multiply
    4,073.32x = 5,621.10 × 2,280.72
  4. Step 4: Simplify right side
    4,073.32x = 12,820,155.19
  5. Step 5: Solve for x
    x = 12,820,155.19/4,073.32
  6. Step 6: Final answer
    x = 3,147.35

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