Home / 3,124.15-4,314.56-2,702.48

Finding the Fourth Proportional to 3,124.15, 4,314.56 and 2,702.48

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Solution

The fourth proportional to 3,124.15, 4,314.56 and 2,702.48 is: 3,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.15 : 4,314.56 = 2,702.48 : x
  2. Step 2: Convert to fraction form
    3,124.15/4,314.56 = 2,702.48/x
  3. Step 3: Cross multiply
    3,124.15x = 4,314.56 × 2,702.48
  4. Step 4: Simplify right side
    3,124.15x = 11,659,987.81
  5. Step 5: Solve for x
    x = 11,659,987.81/3,124.15
  6. Step 6: Final answer
    x = 3,732.21

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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.