Home / 2,476.18-3,728.87-1,787.70

Finding the Fourth Proportional to 2,476.18, 3,728.87 and 1,787.70

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Solution

The fourth proportional to 2,476.18, 3,728.87 and 1,787.70 is: 2,692.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.18 : 3,728.87 = 1,787.70 : x
  2. Step 2: Convert to fraction form
    2,476.18/3,728.87 = 1,787.70/x
  3. Step 3: Cross multiply
    2,476.18x = 3,728.87 × 1,787.70
  4. Step 4: Simplify right side
    2,476.18x = 6,666,100.90
  5. Step 5: Solve for x
    x = 6,666,100.90/2,476.18
  6. Step 6: Final answer
    x = 2,692.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.