Home / 1,348.89-2,022.55-618.07

Finding the Fourth Proportional to 1,348.89, 2,022.55 and 618.07

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Solution

The fourth proportional to 1,348.89, 2,022.55 and 618.07 is: 926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.89 : 2,022.55 = 618.07 : x
  2. Step 2: Convert to fraction form
    1,348.89/2,022.55 = 618.07/x
  3. Step 3: Cross multiply
    1,348.89x = 2,022.55 × 618.07
  4. Step 4: Simplify right side
    1,348.89x = 1,250,077.48
  5. Step 5: Solve for x
    x = 1,250,077.48/1,348.89
  6. Step 6: Final answer
    x = 926.75

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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.