Home / 3,877.47-5,813.78-2,577.42

Finding the Fourth Proportional to 3,877.47, 5,813.78 and 2,577.42

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Solution

The fourth proportional to 3,877.47, 5,813.78 and 2,577.42 is: 3,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.47 : 5,813.78 = 2,577.42 : x
  2. Step 2: Convert to fraction form
    3,877.47/5,813.78 = 2,577.42/x
  3. Step 3: Cross multiply
    3,877.47x = 5,813.78 × 2,577.42
  4. Step 4: Simplify right side
    3,877.47x = 14,984,539.96
  5. Step 5: Solve for x
    x = 14,984,539.96/3,877.47
  6. Step 6: Final answer
    x = 3,864.51

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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.