Home / 3,637.25-5,456.10-1,040.39

Finding the Fourth Proportional to 3,637.25, 5,456.10 and 1,040.39

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Solution

The fourth proportional to 3,637.25, 5,456.10 and 1,040.39 is: 1,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.25 : 5,456.10 = 1,040.39 : x
  2. Step 2: Convert to fraction form
    3,637.25/5,456.10 = 1,040.39/x
  3. Step 3: Cross multiply
    3,637.25x = 5,456.10 × 1,040.39
  4. Step 4: Simplify right side
    3,637.25x = 5,676,471.88
  5. Step 5: Solve for x
    x = 5,676,471.88/3,637.25
  6. Step 6: Final answer
    x = 1,560.65

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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.