Home / 1,451.90-2,004.12-1,119.93

Finding the Fourth Proportional to 1,451.90, 2,004.12 and 1,119.93

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Solution

The fourth proportional to 1,451.90, 2,004.12 and 1,119.93 is: 1,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.90 : 2,004.12 = 1,119.93 : x
  2. Step 2: Convert to fraction form
    1,451.90/2,004.12 = 1,119.93/x
  3. Step 3: Cross multiply
    1,451.90x = 2,004.12 × 1,119.93
  4. Step 4: Simplify right side
    1,451.90x = 2,244,474.11
  5. Step 5: Solve for x
    x = 2,244,474.11/1,451.90
  6. Step 6: Final answer
    x = 1,545.89

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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.