Home / 3,587.47-5,381.39-1,246.46

Finding the Fourth Proportional to 3,587.47, 5,381.39 and 1,246.46

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Solution

The fourth proportional to 3,587.47, 5,381.39 and 1,246.46 is: 1,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.47 : 5,381.39 = 1,246.46 : x
  2. Step 2: Convert to fraction form
    3,587.47/5,381.39 = 1,246.46/x
  3. Step 3: Cross multiply
    3,587.47x = 5,381.39 × 1,246.46
  4. Step 4: Simplify right side
    3,587.47x = 6,707,687.38
  5. Step 5: Solve for x
    x = 6,707,687.38/3,587.47
  6. Step 6: Final answer
    x = 1,869.75

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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.