Home / 2,900.12-4,340.14-1,789.08

Finding the Fourth Proportional to 2,900.12, 4,340.14 and 1,789.08

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Solution

The fourth proportional to 2,900.12, 4,340.14 and 1,789.08 is: 2,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.12 : 4,340.14 = 1,789.08 : x
  2. Step 2: Convert to fraction form
    2,900.12/4,340.14 = 1,789.08/x
  3. Step 3: Cross multiply
    2,900.12x = 4,340.14 × 1,789.08
  4. Step 4: Simplify right side
    2,900.12x = 7,764,857.67
  5. Step 5: Solve for x
    x = 7,764,857.67/2,900.12
  6. Step 6: Final answer
    x = 2,677.43

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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.