Home / 1,799.64-2,694.95-1,139.52

Finding the Fourth Proportional to 1,799.64, 2,694.95 and 1,139.52

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Solution

The fourth proportional to 1,799.64, 2,694.95 and 1,139.52 is: 1,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.64 : 2,694.95 = 1,139.52 : x
  2. Step 2: Convert to fraction form
    1,799.64/2,694.95 = 1,139.52/x
  3. Step 3: Cross multiply
    1,799.64x = 2,694.95 × 1,139.52
  4. Step 4: Simplify right side
    1,799.64x = 3,070,939.74
  5. Step 5: Solve for x
    x = 3,070,939.74/1,799.64
  6. Step 6: Final answer
    x = 1,706.42

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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.