Home / 2,707.09-4,060.92-1,321.18

Finding the Fourth Proportional to 2,707.09, 4,060.92 and 1,321.18

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Solution

The fourth proportional to 2,707.09, 4,060.92 and 1,321.18 is: 1,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.09 : 4,060.92 = 1,321.18 : x
  2. Step 2: Convert to fraction form
    2,707.09/4,060.92 = 1,321.18/x
  3. Step 3: Cross multiply
    2,707.09x = 4,060.92 × 1,321.18
  4. Step 4: Simplify right side
    2,707.09x = 5,365,206.29
  5. Step 5: Solve for x
    x = 5,365,206.29/2,707.09
  6. Step 6: Final answer
    x = 1,981.91

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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.