Home / 1,456.18-2,184.57-482.36

Finding the Fourth Proportional to 1,456.18, 2,184.57 and 482.36

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Solution

The fourth proportional to 1,456.18, 2,184.57 and 482.36 is: 723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.18 : 2,184.57 = 482.36 : x
  2. Step 2: Convert to fraction form
    1,456.18/2,184.57 = 482.36/x
  3. Step 3: Cross multiply
    1,456.18x = 2,184.57 × 482.36
  4. Step 4: Simplify right side
    1,456.18x = 1,053,738.26
  5. Step 5: Solve for x
    x = 1,053,738.26/1,456.18
  6. Step 6: Final answer
    x = 723.63

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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.