Home / 2,915.07-4,372.59-1,248.95

Finding the Fourth Proportional to 2,915.07, 4,372.59 and 1,248.95

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Solution

The fourth proportional to 2,915.07, 4,372.59 and 1,248.95 is: 1,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.07 : 4,372.59 = 1,248.95 : x
  2. Step 2: Convert to fraction form
    2,915.07/4,372.59 = 1,248.95/x
  3. Step 3: Cross multiply
    2,915.07x = 4,372.59 × 1,248.95
  4. Step 4: Simplify right side
    2,915.07x = 5,461,146.28
  5. Step 5: Solve for x
    x = 5,461,146.28/2,915.07
  6. Step 6: Final answer
    x = 1,873.42

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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.