Home / 3,587.52-5,381.26-1,122.50

Finding the Fourth Proportional to 3,587.52, 5,381.26 and 1,122.50

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Solution

The fourth proportional to 3,587.52, 5,381.26 and 1,122.50 is: 1,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.52 : 5,381.26 = 1,122.50 : x
  2. Step 2: Convert to fraction form
    3,587.52/5,381.26 = 1,122.50/x
  3. Step 3: Cross multiply
    3,587.52x = 5,381.26 × 1,122.50
  4. Step 4: Simplify right side
    3,587.52x = 6,040,464.35
  5. Step 5: Solve for x
    x = 6,040,464.35/3,587.52
  6. Step 6: Final answer
    x = 1,683.74

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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.