Home / 4,211.78-5,812.65-2,419.52

Finding the Fourth Proportional to 4,211.78, 5,812.65 and 2,419.52

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Solution

The fourth proportional to 4,211.78, 5,812.65 and 2,419.52 is: 3,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.78 : 5,812.65 = 2,419.52 : x
  2. Step 2: Convert to fraction form
    4,211.78/5,812.65 = 2,419.52/x
  3. Step 3: Cross multiply
    4,211.78x = 5,812.65 × 2,419.52
  4. Step 4: Simplify right side
    4,211.78x = 14,063,793.86
  5. Step 5: Solve for x
    x = 14,063,793.86/4,211.78
  6. Step 6: Final answer
    x = 3,339.15

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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.