Home / 2,799.36-4,194.56-2,387.20

Finding the Fourth Proportional to 2,799.36, 4,194.56 and 2,387.20

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Solution

The fourth proportional to 2,799.36, 4,194.56 and 2,387.20 is: 3,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.36 : 4,194.56 = 2,387.20 : x
  2. Step 2: Convert to fraction form
    2,799.36/4,194.56 = 2,387.20/x
  3. Step 3: Cross multiply
    2,799.36x = 4,194.56 × 2,387.20
  4. Step 4: Simplify right side
    2,799.36x = 10,013,253.63
  5. Step 5: Solve for x
    x = 10,013,253.63/2,799.36
  6. Step 6: Final answer
    x = 3,576.98

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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.