Home / 2,915.44-4,374.94-1,876.10

Finding the Fourth Proportional to 2,915.44, 4,374.94 and 1,876.10

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Solution

The fourth proportional to 2,915.44, 4,374.94 and 1,876.10 is: 2,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.44 : 4,374.94 = 1,876.10 : x
  2. Step 2: Convert to fraction form
    2,915.44/4,374.94 = 1,876.10/x
  3. Step 3: Cross multiply
    2,915.44x = 4,374.94 × 1,876.10
  4. Step 4: Simplify right side
    2,915.44x = 8,207,824.93
  5. Step 5: Solve for x
    x = 8,207,824.93/2,915.44
  6. Step 6: Final answer
    x = 2,815.30

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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.