Home / 1,452.66-2,004.15-921.41

Finding the Fourth Proportional to 1,452.66, 2,004.15 and 921.41

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Solution

The fourth proportional to 1,452.66, 2,004.15 and 921.41 is: 1,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.66 : 2,004.15 = 921.41 : x
  2. Step 2: Convert to fraction form
    1,452.66/2,004.15 = 921.41/x
  3. Step 3: Cross multiply
    1,452.66x = 2,004.15 × 921.41
  4. Step 4: Simplify right side
    1,452.66x = 1,846,633.83
  5. Step 5: Solve for x
    x = 1,846,633.83/1,452.66
  6. Step 6: Final answer
    x = 1,271.21

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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.