Home / 3,681.20-5,549.36-3,436.76

Finding the Fourth Proportional to 3,681.20, 5,549.36 and 3,436.76

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Solution

The fourth proportional to 3,681.20, 5,549.36 and 3,436.76 is: 5,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.20 : 5,549.36 = 3,436.76 : x
  2. Step 2: Convert to fraction form
    3,681.20/5,549.36 = 3,436.76/x
  3. Step 3: Cross multiply
    3,681.20x = 5,549.36 × 3,436.76
  4. Step 4: Simplify right side
    3,681.20x = 19,071,818.47
  5. Step 5: Solve for x
    x = 19,071,818.47/3,681.20
  6. Step 6: Final answer
    x = 5,180.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.