Home / 3,695.80-5,100.27-2,900.07

Finding the Fourth Proportional to 3,695.80, 5,100.27 and 2,900.07

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Solution

The fourth proportional to 3,695.80, 5,100.27 and 2,900.07 is: 4,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.80 : 5,100.27 = 2,900.07 : x
  2. Step 2: Convert to fraction form
    3,695.80/5,100.27 = 2,900.07/x
  3. Step 3: Cross multiply
    3,695.80x = 5,100.27 × 2,900.07
  4. Step 4: Simplify right side
    3,695.80x = 14,791,140.02
  5. Step 5: Solve for x
    x = 14,791,140.02/3,695.80
  6. Step 6: Final answer
    x = 4,002.15

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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.