Home / 1,480.38-2,043.64-1,148.04

Finding the Fourth Proportional to 1,480.38, 2,043.64 and 1,148.04

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Solution

The fourth proportional to 1,480.38, 2,043.64 and 1,148.04 is: 1,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.38 : 2,043.64 = 1,148.04 : x
  2. Step 2: Convert to fraction form
    1,480.38/2,043.64 = 1,148.04/x
  3. Step 3: Cross multiply
    1,480.38x = 2,043.64 × 1,148.04
  4. Step 4: Simplify right side
    1,480.38x = 2,346,180.47
  5. Step 5: Solve for x
    x = 2,346,180.47/1,480.38
  6. Step 6: Final answer
    x = 1,584.85

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1.5x scale

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.