Home / 2,742.83-3,787.08-2,476.75

Finding the Fourth Proportional to 2,742.83, 3,787.08 and 2,476.75

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Solution

The fourth proportional to 2,742.83, 3,787.08 and 2,476.75 is: 3,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.83 : 3,787.08 = 2,476.75 : x
  2. Step 2: Convert to fraction form
    2,742.83/3,787.08 = 2,476.75/x
  3. Step 3: Cross multiply
    2,742.83x = 3,787.08 × 2,476.75
  4. Step 4: Simplify right side
    2,742.83x = 9,379,650.39
  5. Step 5: Solve for x
    x = 9,379,650.39/2,742.83
  6. Step 6: Final answer
    x = 3,419.70

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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.