Home / 2,915.16-4,372.74-1,182.57

Finding the Fourth Proportional to 2,915.16, 4,372.74 and 1,182.57

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Solution

The fourth proportional to 2,915.16, 4,372.74 and 1,182.57 is: 1,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.16 : 4,372.74 = 1,182.57 : x
  2. Step 2: Convert to fraction form
    2,915.16/4,372.74 = 1,182.57/x
  3. Step 3: Cross multiply
    2,915.16x = 4,372.74 × 1,182.57
  4. Step 4: Simplify right side
    2,915.16x = 5,171,071.14
  5. Step 5: Solve for x
    x = 5,171,071.14/2,915.16
  6. Step 6: Final answer
    x = 1,773.86

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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.