Home / 2,983.68-4,117.37-1,657.17

Finding the Fourth Proportional to 2,983.68, 4,117.37 and 1,657.17

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Solution

The fourth proportional to 2,983.68, 4,117.37 and 1,657.17 is: 2,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.68 : 4,117.37 = 1,657.17 : x
  2. Step 2: Convert to fraction form
    2,983.68/4,117.37 = 1,657.17/x
  3. Step 3: Cross multiply
    2,983.68x = 4,117.37 × 1,657.17
  4. Step 4: Simplify right side
    2,983.68x = 6,823,173.76
  5. Step 5: Solve for x
    x = 6,823,173.76/2,983.68
  6. Step 6: Final answer
    x = 2,286.83

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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.