Home / 2,915.93-4,023.89-1,589.61

Finding the Fourth Proportional to 2,915.93, 4,023.89 and 1,589.61

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Solution

The fourth proportional to 2,915.93, 4,023.89 and 1,589.61 is: 2,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.93 : 4,023.89 = 1,589.61 : x
  2. Step 2: Convert to fraction form
    2,915.93/4,023.89 = 1,589.61/x
  3. Step 3: Cross multiply
    2,915.93x = 4,023.89 × 1,589.61
  4. Step 4: Simplify right side
    2,915.93x = 6,396,407.83
  5. Step 5: Solve for x
    x = 6,396,407.83/2,915.93
  6. Step 6: Final answer
    x = 2,193.61

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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.