Home / 3,386.17-4,672.90-1,894.11

Finding the Fourth Proportional to 3,386.17, 4,672.90 and 1,894.11

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Solution

The fourth proportional to 3,386.17, 4,672.90 and 1,894.11 is: 2,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.17 : 4,672.90 = 1,894.11 : x
  2. Step 2: Convert to fraction form
    3,386.17/4,672.90 = 1,894.11/x
  3. Step 3: Cross multiply
    3,386.17x = 4,672.90 × 1,894.11
  4. Step 4: Simplify right side
    3,386.17x = 8,850,986.62
  5. Step 5: Solve for x
    x = 8,850,986.62/3,386.17
  6. Step 6: Final answer
    x = 2,613.86

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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.