Home / 1,843.16-2,543.79-1,057.19

Finding the Fourth Proportional to 1,843.16, 2,543.79 and 1,057.19

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Solution

The fourth proportional to 1,843.16, 2,543.79 and 1,057.19 is: 1,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.16 : 2,543.79 = 1,057.19 : x
  2. Step 2: Convert to fraction form
    1,843.16/2,543.79 = 1,057.19/x
  3. Step 3: Cross multiply
    1,843.16x = 2,543.79 × 1,057.19
  4. Step 4: Simplify right side
    1,843.16x = 2,689,262.99
  5. Step 5: Solve for x
    x = 2,689,262.99/1,843.16
  6. Step 6: Final answer
    x = 1,459.05

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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.