Home / 3,897.49-5,846.05-1,432.12

Finding the Fourth Proportional to 3,897.49, 5,846.05 and 1,432.12

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Solution

The fourth proportional to 3,897.49, 5,846.05 and 1,432.12 is: 2,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.49 : 5,846.05 = 1,432.12 : x
  2. Step 2: Convert to fraction form
    3,897.49/5,846.05 = 1,432.12/x
  3. Step 3: Cross multiply
    3,897.49x = 5,846.05 × 1,432.12
  4. Step 4: Simplify right side
    3,897.49x = 8,372,237.97
  5. Step 5: Solve for x
    x = 8,372,237.97/3,897.49
  6. Step 6: Final answer
    x = 2,148.11

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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.