Home / 3,557.20-5,335.80-1,607.13

Finding the Fourth Proportional to 3,557.20, 5,335.80 and 1,607.13

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Solution

The fourth proportional to 3,557.20, 5,335.80 and 1,607.13 is: 2,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.20 : 5,335.80 = 1,607.13 : x
  2. Step 2: Convert to fraction form
    3,557.20/5,335.80 = 1,607.13/x
  3. Step 3: Cross multiply
    3,557.20x = 5,335.80 × 1,607.13
  4. Step 4: Simplify right side
    3,557.20x = 8,575,324.25
  5. Step 5: Solve for x
    x = 8,575,324.25/3,557.20
  6. Step 6: Final answer
    x = 2,410.70

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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.