Home / 3,897.45-5,848.74-1,432.30

Finding the Fourth Proportional to 3,897.45, 5,848.74 and 1,432.30

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Solution

The fourth proportional to 3,897.45, 5,848.74 and 1,432.30 is: 2,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.45 : 5,848.74 = 1,432.30 : x
  2. Step 2: Convert to fraction form
    3,897.45/5,848.74 = 1,432.30/x
  3. Step 3: Cross multiply
    3,897.45x = 5,848.74 × 1,432.30
  4. Step 4: Simplify right side
    3,897.45x = 8,377,128.01
  5. Step 5: Solve for x
    x = 8,377,128.01/3,897.45
  6. Step 6: Final answer
    x = 2,149.38

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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.