Home / 1,452.87-2,003.13-1,228.41

Finding the Fourth Proportional to 1,452.87, 2,003.13 and 1,228.41

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Solution

The fourth proportional to 1,452.87, 2,003.13 and 1,228.41 is: 1,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.87 : 2,003.13 = 1,228.41 : x
  2. Step 2: Convert to fraction form
    1,452.87/2,003.13 = 1,228.41/x
  3. Step 3: Cross multiply
    1,452.87x = 2,003.13 × 1,228.41
  4. Step 4: Simplify right side
    1,452.87x = 2,460,664.92
  5. Step 5: Solve for x
    x = 2,460,664.92/1,452.87
  6. Step 6: Final answer
    x = 1,693.66

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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.