Home / 1,480.25-2,040.46-1,106.66

Finding the Fourth Proportional to 1,480.25, 2,040.46 and 1,106.66

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Solution

The fourth proportional to 1,480.25, 2,040.46 and 1,106.66 is: 1,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.25 : 2,040.46 = 1,106.66 : x
  2. Step 2: Convert to fraction form
    1,480.25/2,040.46 = 1,106.66/x
  3. Step 3: Cross multiply
    1,480.25x = 2,040.46 × 1,106.66
  4. Step 4: Simplify right side
    1,480.25x = 2,258,082.49
  5. Step 5: Solve for x
    x = 2,258,082.49/1,480.25
  6. Step 6: Final answer
    x = 1,525.48

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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.