Home / 2,293.40-3,434.64-2,178.62

Finding the Fourth Proportional to 2,293.40, 3,434.64 and 2,178.62

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Solution

The fourth proportional to 2,293.40, 3,434.64 and 2,178.62 is: 3,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.40 : 3,434.64 = 2,178.62 : x
  2. Step 2: Convert to fraction form
    2,293.40/3,434.64 = 2,178.62/x
  3. Step 3: Cross multiply
    2,293.40x = 3,434.64 × 2,178.62
  4. Step 4: Simplify right side
    2,293.40x = 7,482,775.40
  5. Step 5: Solve for x
    x = 7,482,775.40/2,293.40
  6. Step 6: Final answer
    x = 3,262.74

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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.