Home / 3,215.88-4,435.26-2,702.92

Finding the Fourth Proportional to 3,215.88, 4,435.26 and 2,702.92

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Solution

The fourth proportional to 3,215.88, 4,435.26 and 2,702.92 is: 3,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.88 : 4,435.26 = 2,702.92 : x
  2. Step 2: Convert to fraction form
    3,215.88/4,435.26 = 2,702.92/x
  3. Step 3: Cross multiply
    3,215.88x = 4,435.26 × 2,702.92
  4. Step 4: Simplify right side
    3,215.88x = 11,988,152.96
  5. Step 5: Solve for x
    x = 11,988,152.96/3,215.88
  6. Step 6: Final answer
    x = 3,727.80

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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.