Home / 2,151.16-2,969.26-1,859.56

Finding the Fourth Proportional to 2,151.16, 2,969.26 and 1,859.56

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Solution

The fourth proportional to 2,151.16, 2,969.26 and 1,859.56 is: 2,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.16 : 2,969.26 = 1,859.56 : x
  2. Step 2: Convert to fraction form
    2,151.16/2,969.26 = 1,859.56/x
  3. Step 3: Cross multiply
    2,151.16x = 2,969.26 × 1,859.56
  4. Step 4: Simplify right side
    2,151.16x = 5,521,517.13
  5. Step 5: Solve for x
    x = 5,521,517.13/2,151.16
  6. Step 6: Final answer
    x = 2,566.76

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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.