Home / 2,915.50-4,374.26-1,454.30

Finding the Fourth Proportional to 2,915.50, 4,374.26 and 1,454.30

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Solution

The fourth proportional to 2,915.50, 4,374.26 and 1,454.30 is: 2,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.50 : 4,374.26 = 1,454.30 : x
  2. Step 2: Convert to fraction form
    2,915.50/4,374.26 = 1,454.30/x
  3. Step 3: Cross multiply
    2,915.50x = 4,374.26 × 1,454.30
  4. Step 4: Simplify right side
    2,915.50x = 6,361,486.32
  5. Step 5: Solve for x
    x = 6,361,486.32/2,915.50
  6. Step 6: Final answer
    x = 2,181.95

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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.