Home / 3,901.28-5,860.60-3,702.40

Finding the Fourth Proportional to 3,901.28, 5,860.60 and 3,702.40

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Solution

The fourth proportional to 3,901.28, 5,860.60 and 3,702.40 is: 5,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.28 : 5,860.60 = 3,702.40 : x
  2. Step 2: Convert to fraction form
    3,901.28/5,860.60 = 3,702.40/x
  3. Step 3: Cross multiply
    3,901.28x = 5,860.60 × 3,702.40
  4. Step 4: Simplify right side
    3,901.28x = 21,698,285.44
  5. Step 5: Solve for x
    x = 21,698,285.44/3,901.28
  6. Step 6: Final answer
    x = 5,561.84

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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.