Home / 3,387.07-4,674.20-1,894.95

Finding the Fourth Proportional to 3,387.07, 4,674.20 and 1,894.95

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Solution

The fourth proportional to 3,387.07, 4,674.20 and 1,894.95 is: 2,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.07 : 4,674.20 = 1,894.95 : x
  2. Step 2: Convert to fraction form
    3,387.07/4,674.20 = 1,894.95/x
  3. Step 3: Cross multiply
    3,387.07x = 4,674.20 × 1,894.95
  4. Step 4: Simplify right side
    3,387.07x = 8,857,375.29
  5. Step 5: Solve for x
    x = 8,857,375.29/3,387.07
  6. Step 6: Final answer
    x = 2,615.06

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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.