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Finding the Fourth Proportional to 2,574.62, 3,553.49 and 1,455.57

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Solution

The fourth proportional to 2,574.62, 3,553.49 and 1,455.57 is: 2,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.62 : 3,553.49 = 1,455.57 : x
  2. Step 2: Convert to fraction form
    2,574.62/3,553.49 = 1,455.57/x
  3. Step 3: Cross multiply
    2,574.62x = 3,553.49 × 1,455.57
  4. Step 4: Simplify right side
    2,574.62x = 5,172,346.16
  5. Step 5: Solve for x
    x = 5,172,346.16/2,574.62
  6. Step 6: Final answer
    x = 2,008.98

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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.