Home / 1,234.09-1,701.76-1,057.66

Finding the Fourth Proportional to 1,234.09, 1,701.76 and 1,057.66

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Solution

The fourth proportional to 1,234.09, 1,701.76 and 1,057.66 is: 1,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.09 : 1,701.76 = 1,057.66 : x
  2. Step 2: Convert to fraction form
    1,234.09/1,701.76 = 1,057.66/x
  3. Step 3: Cross multiply
    1,234.09x = 1,701.76 × 1,057.66
  4. Step 4: Simplify right side
    1,234.09x = 1,799,878.57
  5. Step 5: Solve for x
    x = 1,799,878.57/1,234.09
  6. Step 6: Final answer
    x = 1,458.47

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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.