Home / 2,915.57-4,374.72-1,454.83

Finding the Fourth Proportional to 2,915.57, 4,374.72 and 1,454.83

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Solution

The fourth proportional to 2,915.57, 4,374.72 and 1,454.83 is: 2,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.57 : 4,374.72 = 1,454.83 : x
  2. Step 2: Convert to fraction form
    2,915.57/4,374.72 = 1,454.83/x
  3. Step 3: Cross multiply
    2,915.57x = 4,374.72 × 1,454.83
  4. Step 4: Simplify right side
    2,915.57x = 6,364,466.62
  5. Step 5: Solve for x
    x = 6,364,466.62/2,915.57
  6. Step 6: Final answer
    x = 2,182.93

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1.5x scale

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.