Home / 1,325.25-1,828.56-801.18

Finding the Fourth Proportional to 1,325.25, 1,828.56 and 801.18

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Solution

The fourth proportional to 1,325.25, 1,828.56 and 801.18 is: 1,105.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.25 : 1,828.56 = 801.18 : x
  2. Step 2: Convert to fraction form
    1,325.25/1,828.56 = 801.18/x
  3. Step 3: Cross multiply
    1,325.25x = 1,828.56 × 801.18
  4. Step 4: Simplify right side
    1,325.25x = 1,465,005.70
  5. Step 5: Solve for x
    x = 1,465,005.70/1,325.25
  6. Step 6: Final answer
    x = 1,105.46

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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.