Home / 2,772.39-4,161.02-1,799.58

Finding the Fourth Proportional to 2,772.39, 4,161.02 and 1,799.58

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Solution

The fourth proportional to 2,772.39, 4,161.02 and 1,799.58 is: 2,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.39 : 4,161.02 = 1,799.58 : x
  2. Step 2: Convert to fraction form
    2,772.39/4,161.02 = 1,799.58/x
  3. Step 3: Cross multiply
    2,772.39x = 4,161.02 × 1,799.58
  4. Step 4: Simplify right side
    2,772.39x = 7,488,088.37
  5. Step 5: Solve for x
    x = 7,488,088.37/2,772.39
  6. Step 6: Final answer
    x = 2,700.95

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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.