Home / 2,548.81-3,517.07-1,429.52

Finding the Fourth Proportional to 2,548.81, 3,517.07 and 1,429.52

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Solution

The fourth proportional to 2,548.81, 3,517.07 and 1,429.52 is: 1,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.81 : 3,517.07 = 1,429.52 : x
  2. Step 2: Convert to fraction form
    2,548.81/3,517.07 = 1,429.52/x
  3. Step 3: Cross multiply
    2,548.81x = 3,517.07 × 1,429.52
  4. Step 4: Simplify right side
    2,548.81x = 5,027,702.53
  5. Step 5: Solve for x
    x = 5,027,702.53/2,548.81
  6. Step 6: Final answer
    x = 1,972.57

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1.5x scale

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.