Home / 3,386.20-4,672.33-1,894.13

Finding the Fourth Proportional to 3,386.20, 4,672.33 and 1,894.13

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Solution

The fourth proportional to 3,386.20, 4,672.33 and 1,894.13 is: 2,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.20 : 4,672.33 = 1,894.13 : x
  2. Step 2: Convert to fraction form
    3,386.20/4,672.33 = 1,894.13/x
  3. Step 3: Cross multiply
    3,386.20x = 4,672.33 × 1,894.13
  4. Step 4: Simplify right side
    3,386.20x = 8,850,000.42
  5. Step 5: Solve for x
    x = 8,850,000.42/3,386.20
  6. Step 6: Final answer
    x = 2,613.55

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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.