Home / 3,623.89-5,432.05-1,545.25

Finding the Fourth Proportional to 3,623.89, 5,432.05 and 1,545.25

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Solution

The fourth proportional to 3,623.89, 5,432.05 and 1,545.25 is: 2,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.89 : 5,432.05 = 1,545.25 : x
  2. Step 2: Convert to fraction form
    3,623.89/5,432.05 = 1,545.25/x
  3. Step 3: Cross multiply
    3,623.89x = 5,432.05 × 1,545.25
  4. Step 4: Simplify right side
    3,623.89x = 8,393,875.26
  5. Step 5: Solve for x
    x = 8,393,875.26/3,623.89
  6. Step 6: Final answer
    x = 2,316.26

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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.