Home / 1,843.40-2,544.14-1,057.30

Finding the Fourth Proportional to 1,843.40, 2,544.14 and 1,057.30

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Solution

The fourth proportional to 1,843.40, 2,544.14 and 1,057.30 is: 1,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.40 : 2,544.14 = 1,057.30 : x
  2. Step 2: Convert to fraction form
    1,843.40/2,544.14 = 1,057.30/x
  3. Step 3: Cross multiply
    1,843.40x = 2,544.14 × 1,057.30
  4. Step 4: Simplify right side
    1,843.40x = 2,689,919.22
  5. Step 5: Solve for x
    x = 2,689,919.22/1,843.40
  6. Step 6: Final answer
    x = 1,459.22

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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.