Home / 1,339.28-2,018.94-1,250.08

Finding the Fourth Proportional to 1,339.28, 2,018.94 and 1,250.08

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Solution

The fourth proportional to 1,339.28, 2,018.94 and 1,250.08 is: 1,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339.28 : 2,018.94 = 1,250.08 : x
  2. Step 2: Convert to fraction form
    1,339.28/2,018.94 = 1,250.08/x
  3. Step 3: Cross multiply
    1,339.28x = 2,018.94 × 1,250.08
  4. Step 4: Simplify right side
    1,339.28x = 2,523,836.52
  5. Step 5: Solve for x
    x = 2,523,836.52/1,339.28
  6. Step 6: Final answer
    x = 1,884.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.