Home / 2,915.38-4,367.40-2,588.14

Finding the Fourth Proportional to 2,915.38, 4,367.40 and 2,588.14

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Solution

The fourth proportional to 2,915.38, 4,367.40 and 2,588.14 is: 3,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.38 : 4,367.40 = 2,588.14 : x
  2. Step 2: Convert to fraction form
    2,915.38/4,367.40 = 2,588.14/x
  3. Step 3: Cross multiply
    2,915.38x = 4,367.40 × 2,588.14
  4. Step 4: Simplify right side
    2,915.38x = 11,303,442.64
  5. Step 5: Solve for x
    x = 11,303,442.64/2,915.38
  6. Step 6: Final answer
    x = 3,877.18

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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.