Home / 2,285.91-3,432.51-1,915.38

Finding the Fourth Proportional to 2,285.91, 3,432.51 and 1,915.38

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Solution

The fourth proportional to 2,285.91, 3,432.51 and 1,915.38 is: 2,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.91 : 3,432.51 = 1,915.38 : x
  2. Step 2: Convert to fraction form
    2,285.91/3,432.51 = 1,915.38/x
  3. Step 3: Cross multiply
    2,285.91x = 3,432.51 × 1,915.38
  4. Step 4: Simplify right side
    2,285.91x = 6,574,561.00
  5. Step 5: Solve for x
    x = 6,574,561.00/2,285.91
  6. Step 6: Final answer
    x = 2,876.12

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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.