Home / 2,913.39-4,375.35-1,819.89

Finding the Fourth Proportional to 2,913.39, 4,375.35 and 1,819.89

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Solution

The fourth proportional to 2,913.39, 4,375.35 and 1,819.89 is: 2,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.39 : 4,375.35 = 1,819.89 : x
  2. Step 2: Convert to fraction form
    2,913.39/4,375.35 = 1,819.89/x
  3. Step 3: Cross multiply
    2,913.39x = 4,375.35 × 1,819.89
  4. Step 4: Simplify right side
    2,913.39x = 7,962,655.71
  5. Step 5: Solve for x
    x = 7,962,655.71/2,913.39
  6. Step 6: Final answer
    x = 2,733.12

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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.