Home / 3,761.16-5,184.96-2,638.62

Finding the Fourth Proportional to 3,761.16, 5,184.96 and 2,638.62

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Solution

The fourth proportional to 3,761.16, 5,184.96 and 2,638.62 is: 3,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.16 : 5,184.96 = 2,638.62 : x
  2. Step 2: Convert to fraction form
    3,761.16/5,184.96 = 2,638.62/x
  3. Step 3: Cross multiply
    3,761.16x = 5,184.96 × 2,638.62
  4. Step 4: Simplify right side
    3,761.16x = 13,681,139.16
  5. Step 5: Solve for x
    x = 13,681,139.16/3,761.16
  6. Step 6: Final answer
    x = 3,637.48

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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.