Home / 3,020.88-4,531.74-2,854.88

Finding the Fourth Proportional to 3,020.88, 4,531.74 and 2,854.88

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Solution

The fourth proportional to 3,020.88, 4,531.74 and 2,854.88 is: 4,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.88 : 4,531.74 = 2,854.88 : x
  2. Step 2: Convert to fraction form
    3,020.88/4,531.74 = 2,854.88/x
  3. Step 3: Cross multiply
    3,020.88x = 4,531.74 × 2,854.88
  4. Step 4: Simplify right side
    3,020.88x = 12,937,573.89
  5. Step 5: Solve for x
    x = 12,937,573.89/3,020.88
  6. Step 6: Final answer
    x = 4,282.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.