Home / 3,577.15-4,938.75-2,915.58

Finding the Fourth Proportional to 3,577.15, 4,938.75 and 2,915.58

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Solution

The fourth proportional to 3,577.15, 4,938.75 and 2,915.58 is: 4,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.15 : 4,938.75 = 2,915.58 : x
  2. Step 2: Convert to fraction form
    3,577.15/4,938.75 = 2,915.58/x
  3. Step 3: Cross multiply
    3,577.15x = 4,938.75 × 2,915.58
  4. Step 4: Simplify right side
    3,577.15x = 14,399,320.73
  5. Step 5: Solve for x
    x = 14,399,320.73/3,577.15
  6. Step 6: Final answer
    x = 4,025.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.