Home / 1,549.94-2,135.30-1,268.53

Finding the Fourth Proportional to 1,549.94, 2,135.30 and 1,268.53

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Solution

The fourth proportional to 1,549.94, 2,135.30 and 1,268.53 is: 1,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.94 : 2,135.30 = 1,268.53 : x
  2. Step 2: Convert to fraction form
    1,549.94/2,135.30 = 1,268.53/x
  3. Step 3: Cross multiply
    1,549.94x = 2,135.30 × 1,268.53
  4. Step 4: Simplify right side
    1,549.94x = 2,708,689.94
  5. Step 5: Solve for x
    x = 2,708,689.94/1,549.94
  6. Step 6: Final answer
    x = 1,747.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.