Home / 3,496.78-4,826.28-2,171.35

Finding the Fourth Proportional to 3,496.78, 4,826.28 and 2,171.35

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Solution

The fourth proportional to 3,496.78, 4,826.28 and 2,171.35 is: 2,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,496.78 : 4,826.28 = 2,171.35 : x
  2. Step 2: Convert to fraction form
    3,496.78/4,826.28 = 2,171.35/x
  3. Step 3: Cross multiply
    3,496.78x = 4,826.28 × 2,171.35
  4. Step 4: Simplify right side
    3,496.78x = 10,479,543.08
  5. Step 5: Solve for x
    x = 10,479,543.08/3,496.78
  6. Step 6: Final answer
    x = 2,996.91

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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.