Home / 1,001.24-1,492.61-985.46

Finding the Fourth Proportional to 1,001.24, 1,492.61 and 985.46

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Solution

The fourth proportional to 1,001.24, 1,492.61 and 985.46 is: 1,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.24 : 1,492.61 = 985.46 : x
  2. Step 2: Convert to fraction form
    1,001.24/1,492.61 = 985.46/x
  3. Step 3: Cross multiply
    1,001.24x = 1,492.61 × 985.46
  4. Step 4: Simplify right side
    1,001.24x = 1,470,902.52
  5. Step 5: Solve for x
    x = 1,470,902.52/1,001.24
  6. Step 6: Final answer
    x = 1,469.08

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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.