Home / 2,117.70-3,170.68-1,596.12

Finding the Fourth Proportional to 2,117.70, 3,170.68 and 1,596.12

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Solution

The fourth proportional to 2,117.70, 3,170.68 and 1,596.12 is: 2,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.70 : 3,170.68 = 1,596.12 : x
  2. Step 2: Convert to fraction form
    2,117.70/3,170.68 = 1,596.12/x
  3. Step 3: Cross multiply
    2,117.70x = 3,170.68 × 1,596.12
  4. Step 4: Simplify right side
    2,117.70x = 5,060,785.76
  5. Step 5: Solve for x
    x = 5,060,785.76/2,117.70
  6. Step 6: Final answer
    x = 2,389.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.