Home / 3,490.29-4,815.27-1,997.82

Finding the Fourth Proportional to 3,490.29, 4,815.27 and 1,997.82

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Solution

The fourth proportional to 3,490.29, 4,815.27 and 1,997.82 is: 2,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.29 : 4,815.27 = 1,997.82 : x
  2. Step 2: Convert to fraction form
    3,490.29/4,815.27 = 1,997.82/x
  3. Step 3: Cross multiply
    3,490.29x = 4,815.27 × 1,997.82
  4. Step 4: Simplify right side
    3,490.29x = 9,620,042.71
  5. Step 5: Solve for x
    x = 9,620,042.71/3,490.29
  6. Step 6: Final answer
    x = 2,756.23

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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.