Home / 3,437.31-5,153.61-1,587.39

Finding the Fourth Proportional to 3,437.31, 5,153.61 and 1,587.39

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Solution

The fourth proportional to 3,437.31, 5,153.61 and 1,587.39 is: 2,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.31 : 5,153.61 = 1,587.39 : x
  2. Step 2: Convert to fraction form
    3,437.31/5,153.61 = 1,587.39/x
  3. Step 3: Cross multiply
    3,437.31x = 5,153.61 × 1,587.39
  4. Step 4: Simplify right side
    3,437.31x = 8,180,788.98
  5. Step 5: Solve for x
    x = 8,180,788.98/3,437.31
  6. Step 6: Final answer
    x = 2,380.00

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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.