Home / 3,108.42-4,292.28-2,576.88

Finding the Fourth Proportional to 3,108.42, 4,292.28 and 2,576.88

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Solution

The fourth proportional to 3,108.42, 4,292.28 and 2,576.88 is: 3,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.42 : 4,292.28 = 2,576.88 : x
  2. Step 2: Convert to fraction form
    3,108.42/4,292.28 = 2,576.88/x
  3. Step 3: Cross multiply
    3,108.42x = 4,292.28 × 2,576.88
  4. Step 4: Simplify right side
    3,108.42x = 11,060,690.49
  5. Step 5: Solve for x
    x = 11,060,690.49/3,108.42
  6. Step 6: Final answer
    x = 3,558.30

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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.