Home / 1,474.26-2,034.47-811.10

Finding the Fourth Proportional to 1,474.26, 2,034.47 and 811.10

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Solution

The fourth proportional to 1,474.26, 2,034.47 and 811.10 is: 1,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.26 : 2,034.47 = 811.10 : x
  2. Step 2: Convert to fraction form
    1,474.26/2,034.47 = 811.10/x
  3. Step 3: Cross multiply
    1,474.26x = 2,034.47 × 811.10
  4. Step 4: Simplify right side
    1,474.26x = 1,650,149.72
  5. Step 5: Solve for x
    x = 1,650,149.72/1,474.26
  6. Step 6: Final answer
    x = 1,119.31

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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.