Home / 1,452.06-2,004.75-1,009.80

Finding the Fourth Proportional to 1,452.06, 2,004.75 and 1,009.80

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Solution

The fourth proportional to 1,452.06, 2,004.75 and 1,009.80 is: 1,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.06 : 2,004.75 = 1,009.80 : x
  2. Step 2: Convert to fraction form
    1,452.06/2,004.75 = 1,009.80/x
  3. Step 3: Cross multiply
    1,452.06x = 2,004.75 × 1,009.80
  4. Step 4: Simplify right side
    1,452.06x = 2,024,396.55
  5. Step 5: Solve for x
    x = 2,024,396.55/1,452.06
  6. Step 6: Final answer
    x = 1,394.15

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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.