Home / 1,451.79-2,002.18-1,171.93

Finding the Fourth Proportional to 1,451.79, 2,002.18 and 1,171.93

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Solution

The fourth proportional to 1,451.79, 2,002.18 and 1,171.93 is: 1,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.79 : 2,002.18 = 1,171.93 : x
  2. Step 2: Convert to fraction form
    1,451.79/2,002.18 = 1,171.93/x
  3. Step 3: Cross multiply
    1,451.79x = 2,002.18 × 1,171.93
  4. Step 4: Simplify right side
    1,451.79x = 2,346,414.81
  5. Step 5: Solve for x
    x = 2,346,414.81/1,451.79
  6. Step 6: Final answer
    x = 1,616.22

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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.