Home / 1,053.30-1,453.60-922.08

Finding the Fourth Proportional to 1,053.30, 1,453.60 and 922.08

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Solution

The fourth proportional to 1,053.30, 1,453.60 and 922.08 is: 1,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.30 : 1,453.60 = 922.08 : x
  2. Step 2: Convert to fraction form
    1,053.30/1,453.60 = 922.08/x
  3. Step 3: Cross multiply
    1,053.30x = 1,453.60 × 922.08
  4. Step 4: Simplify right side
    1,053.30x = 1,340,335.49
  5. Step 5: Solve for x
    x = 1,340,335.49/1,053.30
  6. Step 6: Final answer
    x = 1,272.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.