Home / 3,415.10-4,711.37-1,959.11

Finding the Fourth Proportional to 3,415.10, 4,711.37 and 1,959.11

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Solution

The fourth proportional to 3,415.10, 4,711.37 and 1,959.11 is: 2,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.10 : 4,711.37 = 1,959.11 : x
  2. Step 2: Convert to fraction form
    3,415.10/4,711.37 = 1,959.11/x
  3. Step 3: Cross multiply
    3,415.10x = 4,711.37 × 1,959.11
  4. Step 4: Simplify right side
    3,415.10x = 9,230,073.42
  5. Step 5: Solve for x
    x = 9,230,073.42/3,415.10
  6. Step 6: Final answer
    x = 2,702.72

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Double scale
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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.