Home / 1,053.18-1,579.25-322.58

Finding the Fourth Proportional to 1,053.18, 1,579.25 and 322.58

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Solution

The fourth proportional to 1,053.18, 1,579.25 and 322.58 is: 483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.18 : 1,579.25 = 322.58 : x
  2. Step 2: Convert to fraction form
    1,053.18/1,579.25 = 322.58/x
  3. Step 3: Cross multiply
    1,053.18x = 1,579.25 × 322.58
  4. Step 4: Simplify right side
    1,053.18x = 509,434.47
  5. Step 5: Solve for x
    x = 509,434.47/1,053.18
  6. Step 6: Final answer
    x = 483.71

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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.