Home / 3,405.11-4,696.17-2,876.58

Finding the Fourth Proportional to 3,405.11, 4,696.17 and 2,876.58

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Solution

The fourth proportional to 3,405.11, 4,696.17 and 2,876.58 is: 3,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.11 : 4,696.17 = 2,876.58 : x
  2. Step 2: Convert to fraction form
    3,405.11/4,696.17 = 2,876.58/x
  3. Step 3: Cross multiply
    3,405.11x = 4,696.17 × 2,876.58
  4. Step 4: Simplify right side
    3,405.11x = 13,508,908.70
  5. Step 5: Solve for x
    x = 13,508,908.70/3,405.11
  6. Step 6: Final answer
    x = 3,967.25

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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.