Home / 2,787.10-4,175.22-1,550.76

Finding the Fourth Proportional to 2,787.10, 4,175.22 and 1,550.76

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Solution

The fourth proportional to 2,787.10, 4,175.22 and 1,550.76 is: 2,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.10 : 4,175.22 = 1,550.76 : x
  2. Step 2: Convert to fraction form
    2,787.10/4,175.22 = 1,550.76/x
  3. Step 3: Cross multiply
    2,787.10x = 4,175.22 × 1,550.76
  4. Step 4: Simplify right side
    2,787.10x = 6,474,764.17
  5. Step 5: Solve for x
    x = 6,474,764.17/2,787.10
  6. Step 6: Final answer
    x = 2,323.12

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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.