Home / 1,705.19-2,555.49-1,293.04

Finding the Fourth Proportional to 1,705.19, 2,555.49 and 1,293.04

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Solution

The fourth proportional to 1,705.19, 2,555.49 and 1,293.04 is: 1,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.19 : 2,555.49 = 1,293.04 : x
  2. Step 2: Convert to fraction form
    1,705.19/2,555.49 = 1,293.04/x
  3. Step 3: Cross multiply
    1,705.19x = 2,555.49 × 1,293.04
  4. Step 4: Simplify right side
    1,705.19x = 3,304,350.79
  5. Step 5: Solve for x
    x = 3,304,350.79/1,705.19
  6. Step 6: Final answer
    x = 1,937.82

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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.