Home / 1,296.20-1,943.78-474.24

Finding the Fourth Proportional to 1,296.20, 1,943.78 and 474.24

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Solution

The fourth proportional to 1,296.20, 1,943.78 and 474.24 is: 711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.20 : 1,943.78 = 474.24 : x
  2. Step 2: Convert to fraction form
    1,296.20/1,943.78 = 474.24/x
  3. Step 3: Cross multiply
    1,296.20x = 1,943.78 × 474.24
  4. Step 4: Simplify right side
    1,296.20x = 921,818.23
  5. Step 5: Solve for x
    x = 921,818.23/1,296.20
  6. Step 6: Final answer
    x = 711.17

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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.