Home / 1,348.32-2,020.58-616.62

Finding the Fourth Proportional to 1,348.32, 2,020.58 and 616.62

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Solution

The fourth proportional to 1,348.32, 2,020.58 and 616.62 is: 924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.32 : 2,020.58 = 616.62 : x
  2. Step 2: Convert to fraction form
    1,348.32/2,020.58 = 616.62/x
  3. Step 3: Cross multiply
    1,348.32x = 2,020.58 × 616.62
  4. Step 4: Simplify right side
    1,348.32x = 1,245,930.04
  5. Step 5: Solve for x
    x = 1,245,930.04/1,348.32
  6. Step 6: Final answer
    x = 924.06

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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.