Home / 1,293.24-1,785.66-1,057.44

Finding the Fourth Proportional to 1,293.24, 1,785.66 and 1,057.44

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Solution

The fourth proportional to 1,293.24, 1,785.66 and 1,057.44 is: 1,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.24 : 1,785.66 = 1,057.44 : x
  2. Step 2: Convert to fraction form
    1,293.24/1,785.66 = 1,057.44/x
  3. Step 3: Cross multiply
    1,293.24x = 1,785.66 × 1,057.44
  4. Step 4: Simplify right side
    1,293.24x = 1,888,228.31
  5. Step 5: Solve for x
    x = 1,888,228.31/1,293.24
  6. Step 6: Final answer
    x = 1,460.08

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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.