Home / 3,350.74-4,621.38-3,127.18

Finding the Fourth Proportional to 3,350.74, 4,621.38 and 3,127.18

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Solution

The fourth proportional to 3,350.74, 4,621.38 and 3,127.18 is: 4,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.74 : 4,621.38 = 3,127.18 : x
  2. Step 2: Convert to fraction form
    3,350.74/4,621.38 = 3,127.18/x
  3. Step 3: Cross multiply
    3,350.74x = 4,621.38 × 3,127.18
  4. Step 4: Simplify right side
    3,350.74x = 14,451,887.11
  5. Step 5: Solve for x
    x = 14,451,887.11/3,350.74
  6. Step 6: Final answer
    x = 4,313.04

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Half 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.