Home / 2,983.71-4,118.14-1,724.59

Finding the Fourth Proportional to 2,983.71, 4,118.14 and 1,724.59

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Solution

The fourth proportional to 2,983.71, 4,118.14 and 1,724.59 is: 2,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.71 : 4,118.14 = 1,724.59 : x
  2. Step 2: Convert to fraction form
    2,983.71/4,118.14 = 1,724.59/x
  3. Step 3: Cross multiply
    2,983.71x = 4,118.14 × 1,724.59
  4. Step 4: Simplify right side
    2,983.71x = 7,102,103.06
  5. Step 5: Solve for x
    x = 7,102,103.06/2,983.71
  6. Step 6: Final answer
    x = 2,380.29

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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.