Home / 1,519.08-2,274.49-1,259.88

Finding the Fourth Proportional to 1,519.08, 2,274.49 and 1,259.88

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Solution

The fourth proportional to 1,519.08, 2,274.49 and 1,259.88 is: 1,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.08 : 2,274.49 = 1,259.88 : x
  2. Step 2: Convert to fraction form
    1,519.08/2,274.49 = 1,259.88/x
  3. Step 3: Cross multiply
    1,519.08x = 2,274.49 × 1,259.88
  4. Step 4: Simplify right side
    1,519.08x = 2,865,584.46
  5. Step 5: Solve for x
    x = 2,865,584.46/1,519.08
  6. Step 6: Final answer
    x = 1,886.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.