Home / 3,152.12-4,725.11-2,881.52

Finding the Fourth Proportional to 3,152.12, 4,725.11 and 2,881.52

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Solution

The fourth proportional to 3,152.12, 4,725.11 and 2,881.52 is: 4,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.12 : 4,725.11 = 2,881.52 : x
  2. Step 2: Convert to fraction form
    3,152.12/4,725.11 = 2,881.52/x
  3. Step 3: Cross multiply
    3,152.12x = 4,725.11 × 2,881.52
  4. Step 4: Simplify right side
    3,152.12x = 13,615,482.55
  5. Step 5: Solve for x
    x = 13,615,482.55/3,152.12
  6. Step 6: Final answer
    x = 4,319.46

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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.