Home / 2,572.04-3,549.39-1,393.13

Finding the Fourth Proportional to 2,572.04, 3,549.39 and 1,393.13

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Solution

The fourth proportional to 2,572.04, 3,549.39 and 1,393.13 is: 1,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.04 : 3,549.39 = 1,393.13 : x
  2. Step 2: Convert to fraction form
    2,572.04/3,549.39 = 1,393.13/x
  3. Step 3: Cross multiply
    2,572.04x = 3,549.39 × 1,393.13
  4. Step 4: Simplify right side
    2,572.04x = 4,944,761.69
  5. Step 5: Solve for x
    x = 4,944,761.69/2,572.04
  6. Step 6: Final answer
    x = 1,922.51

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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.