Home / 2,338.02-3,226.50-1,290.11

Finding the Fourth Proportional to 2,338.02, 3,226.50 and 1,290.11

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Solution

The fourth proportional to 2,338.02, 3,226.50 and 1,290.11 is: 1,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.02 : 3,226.50 = 1,290.11 : x
  2. Step 2: Convert to fraction form
    2,338.02/3,226.50 = 1,290.11/x
  3. Step 3: Cross multiply
    2,338.02x = 3,226.50 × 1,290.11
  4. Step 4: Simplify right side
    2,338.02x = 4,162,523.78
  5. Step 5: Solve for x
    x = 4,162,523.78/2,338.02
  6. Step 6: Final answer
    x = 1,780.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.