Home / 1,943.06-2,679.91-1,610.91

Finding the Fourth Proportional to 1,943.06, 2,679.91 and 1,610.91

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Solution

The fourth proportional to 1,943.06, 2,679.91 and 1,610.91 is: 2,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.06 : 2,679.91 = 1,610.91 : x
  2. Step 2: Convert to fraction form
    1,943.06/2,679.91 = 1,610.91/x
  3. Step 3: Cross multiply
    1,943.06x = 2,679.91 × 1,610.91
  4. Step 4: Simplify right side
    1,943.06x = 4,317,089.79
  5. Step 5: Solve for x
    x = 4,317,089.79/1,943.06
  6. Step 6: Final answer
    x = 2,221.81

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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.