Home / 1,451.17-2,179.86-1,394.11

Finding the Fourth Proportional to 1,451.17, 2,179.86 and 1,394.11

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Solution

The fourth proportional to 1,451.17, 2,179.86 and 1,394.11 is: 2,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.17 : 2,179.86 = 1,394.11 : x
  2. Step 2: Convert to fraction form
    1,451.17/2,179.86 = 1,394.11/x
  3. Step 3: Cross multiply
    1,451.17x = 2,179.86 × 1,394.11
  4. Step 4: Simplify right side
    1,451.17x = 3,038,964.62
  5. Step 5: Solve for x
    x = 3,038,964.62/1,451.17
  6. Step 6: Final answer
    x = 2,094.15

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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.