Home / 1,053.13-1,579.38-322.76

Finding the Fourth Proportional to 1,053.13, 1,579.38 and 322.76

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Solution

The fourth proportional to 1,053.13, 1,579.38 and 322.76 is: 484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.13 : 1,579.38 = 322.76 : x
  2. Step 2: Convert to fraction form
    1,053.13/1,579.38 = 322.76/x
  3. Step 3: Cross multiply
    1,053.13x = 1,579.38 × 322.76
  4. Step 4: Simplify right side
    1,053.13x = 509,752.79
  5. Step 5: Solve for x
    x = 509,752.79/1,053.13
  6. Step 6: Final answer
    x = 484.04

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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.