Home / 2,915.28-4,023.09-1,589.01

Finding the Fourth Proportional to 2,915.28, 4,023.09 and 1,589.01

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Solution

The fourth proportional to 2,915.28, 4,023.09 and 1,589.01 is: 2,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.28 : 4,023.09 = 1,589.01 : x
  2. Step 2: Convert to fraction form
    2,915.28/4,023.09 = 1,589.01/x
  3. Step 3: Cross multiply
    2,915.28x = 4,023.09 × 1,589.01
  4. Step 4: Simplify right side
    2,915.28x = 6,392,710.13
  5. Step 5: Solve for x
    x = 6,392,710.13/2,915.28
  6. Step 6: Final answer
    x = 2,192.83

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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.