Home / 1,020.48-1,523.28-934.08

Finding the Fourth Proportional to 1,020.48, 1,523.28 and 934.08

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Solution

The fourth proportional to 1,020.48, 1,523.28 and 934.08 is: 1,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020.48 : 1,523.28 = 934.08 : x
  2. Step 2: Convert to fraction form
    1,020.48/1,523.28 = 934.08/x
  3. Step 3: Cross multiply
    1,020.48x = 1,523.28 × 934.08
  4. Step 4: Simplify right side
    1,020.48x = 1,422,865.38
  5. Step 5: Solve for x
    x = 1,422,865.38/1,020.48
  6. Step 6: Final answer
    x = 1,394.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.