Home / 2,787.55-4,162.20-2,376.47

Finding the Fourth Proportional to 2,787.55, 4,162.20 and 2,376.47

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Solution

The fourth proportional to 2,787.55, 4,162.20 and 2,376.47 is: 3,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.55 : 4,162.20 = 2,376.47 : x
  2. Step 2: Convert to fraction form
    2,787.55/4,162.20 = 2,376.47/x
  3. Step 3: Cross multiply
    2,787.55x = 4,162.20 × 2,376.47
  4. Step 4: Simplify right side
    2,787.55x = 9,891,358.30
  5. Step 5: Solve for x
    x = 9,891,358.30/2,787.55
  6. Step 6: Final answer
    x = 3,548.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.