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Finding the Fourth Proportional to 3,716.59, 5,574.99 and 1,251.49

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Solution

The fourth proportional to 3,716.59, 5,574.99 and 1,251.49 is: 1,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.59 : 5,574.99 = 1,251.49 : x
  2. Step 2: Convert to fraction form
    3,716.59/5,574.99 = 1,251.49/x
  3. Step 3: Cross multiply
    3,716.59x = 5,574.99 × 1,251.49
  4. Step 4: Simplify right side
    3,716.59x = 6,977,044.24
  5. Step 5: Solve for x
    x = 6,977,044.24/3,716.59
  6. Step 6: Final answer
    x = 1,877.27

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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.