Home / 3,376.70-4,656.82-2,117.92

Finding the Fourth Proportional to 3,376.70, 4,656.82 and 2,117.92

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Solution

The fourth proportional to 3,376.70, 4,656.82 and 2,117.92 is: 2,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.70 : 4,656.82 = 2,117.92 : x
  2. Step 2: Convert to fraction form
    3,376.70/4,656.82 = 2,117.92/x
  3. Step 3: Cross multiply
    3,376.70x = 4,656.82 × 2,117.92
  4. Step 4: Simplify right side
    3,376.70x = 9,862,772.21
  5. Step 5: Solve for x
    x = 9,862,772.21/3,376.70
  6. Step 6: Final answer
    x = 2,920.83

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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.