Home / 3,830.31-5,285.93-2,432.25

Finding the Fourth Proportional to 3,830.31, 5,285.93 and 2,432.25

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Solution

The fourth proportional to 3,830.31, 5,285.93 and 2,432.25 is: 3,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.31 : 5,285.93 = 2,432.25 : x
  2. Step 2: Convert to fraction form
    3,830.31/5,285.93 = 2,432.25/x
  3. Step 3: Cross multiply
    3,830.31x = 5,285.93 × 2,432.25
  4. Step 4: Simplify right side
    3,830.31x = 12,856,691.08
  5. Step 5: Solve for x
    x = 12,856,691.08/3,830.31
  6. Step 6: Final answer
    x = 3,356.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.