Home / 2,248.90-3,366.94-1,787.32

Finding the Fourth Proportional to 2,248.90, 3,366.94 and 1,787.32

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Solution

The fourth proportional to 2,248.90, 3,366.94 and 1,787.32 is: 2,675.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.90 : 3,366.94 = 1,787.32 : x
  2. Step 2: Convert to fraction form
    2,248.90/3,366.94 = 1,787.32/x
  3. Step 3: Cross multiply
    2,248.90x = 3,366.94 × 1,787.32
  4. Step 4: Simplify right side
    2,248.90x = 6,017,799.20
  5. Step 5: Solve for x
    x = 6,017,799.20/2,248.90
  6. Step 6: Final answer
    x = 2,675.89

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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.