Home / 1,295.33-1,785.24-1,057.74

Finding the Fourth Proportional to 1,295.33, 1,785.24 and 1,057.74

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Solution

The fourth proportional to 1,295.33, 1,785.24 and 1,057.74 is: 1,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.33 : 1,785.24 = 1,057.74 : x
  2. Step 2: Convert to fraction form
    1,295.33/1,785.24 = 1,057.74/x
  3. Step 3: Cross multiply
    1,295.33x = 1,785.24 × 1,057.74
  4. Step 4: Simplify right side
    1,295.33x = 1,888,319.76
  5. Step 5: Solve for x
    x = 1,888,319.76/1,295.33
  6. Step 6: Final answer
    x = 1,457.79

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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.