Home / 1,053.08-1,579.96-322.74

Finding the Fourth Proportional to 1,053.08, 1,579.96 and 322.74

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Solution

The fourth proportional to 1,053.08, 1,579.96 and 322.74 is: 484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.08 : 1,579.96 = 322.74 : x
  2. Step 2: Convert to fraction form
    1,053.08/1,579.96 = 322.74/x
  3. Step 3: Cross multiply
    1,053.08x = 1,579.96 × 322.74
  4. Step 4: Simplify right side
    1,053.08x = 509,916.29
  5. Step 5: Solve for x
    x = 509,916.29/1,053.08
  6. Step 6: Final answer
    x = 484.21

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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.