Home / 3,101.60-4,643.16-2,002.76

Finding the Fourth Proportional to 3,101.60, 4,643.16 and 2,002.76

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Solution

The fourth proportional to 3,101.60, 4,643.16 and 2,002.76 is: 2,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.60 : 4,643.16 = 2,002.76 : x
  2. Step 2: Convert to fraction form
    3,101.60/4,643.16 = 2,002.76/x
  3. Step 3: Cross multiply
    3,101.60x = 4,643.16 × 2,002.76
  4. Step 4: Simplify right side
    3,101.60x = 9,299,135.12
  5. Step 5: Solve for x
    x = 9,299,135.12/3,101.60
  6. Step 6: Final answer
    x = 2,998.17

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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.