Home / 3,672.28-5,068.40-2,791

Finding the Fourth Proportional to 3,672.28, 5,068.40 and 2,791

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Solution

The fourth proportional to 3,672.28, 5,068.40 and 2,791 is: 3,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.28 : 5,068.40 = 2,791 : x
  2. Step 2: Convert to fraction form
    3,672.28/5,068.40 = 2,791/x
  3. Step 3: Cross multiply
    3,672.28x = 5,068.40 × 2,791
  4. Step 4: Simplify right side
    3,672.28x = 14,145,904.40
  5. Step 5: Solve for x
    x = 14,145,904.40/3,672.28
  6. Step 6: Final answer
    x = 3,852.08

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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.