Home / 1,429.07-2,143.70-844.92

Finding the Fourth Proportional to 1,429.07, 2,143.70 and 844.92

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Solution

The fourth proportional to 1,429.07, 2,143.70 and 844.92 is: 1,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.07 : 2,143.70 = 844.92 : x
  2. Step 2: Convert to fraction form
    1,429.07/2,143.70 = 844.92/x
  3. Step 3: Cross multiply
    1,429.07x = 2,143.70 × 844.92
  4. Step 4: Simplify right side
    1,429.07x = 1,811,250.78
  5. Step 5: Solve for x
    x = 1,811,250.78/1,429.07
  6. Step 6: Final answer
    x = 1,267.44

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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.