Home / 2,053.13-3,071.91-1,259.66

Finding the Fourth Proportional to 2,053.13, 3,071.91 and 1,259.66

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Solution

The fourth proportional to 2,053.13, 3,071.91 and 1,259.66 is: 1,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.13 : 3,071.91 = 1,259.66 : x
  2. Step 2: Convert to fraction form
    2,053.13/3,071.91 = 1,259.66/x
  3. Step 3: Cross multiply
    2,053.13x = 3,071.91 × 1,259.66
  4. Step 4: Simplify right side
    2,053.13x = 3,869,562.15
  5. Step 5: Solve for x
    x = 3,869,562.15/2,053.13
  6. Step 6: Final answer
    x = 1,884.71

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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.