Home / 3,748.47-5,625.21-1,557.19

Finding the Fourth Proportional to 3,748.47, 5,625.21 and 1,557.19

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Solution

The fourth proportional to 3,748.47, 5,625.21 and 1,557.19 is: 2,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.47 : 5,625.21 = 1,557.19 : x
  2. Step 2: Convert to fraction form
    3,748.47/5,625.21 = 1,557.19/x
  3. Step 3: Cross multiply
    3,748.47x = 5,625.21 × 1,557.19
  4. Step 4: Simplify right side
    3,748.47x = 8,759,520.76
  5. Step 5: Solve for x
    x = 8,759,520.76/3,748.47
  6. Step 6: Final answer
    x = 2,336.83

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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.