Home / 2,819.95-3,891.98-1,701.05

Finding the Fourth Proportional to 2,819.95, 3,891.98 and 1,701.05

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Solution

The fourth proportional to 2,819.95, 3,891.98 and 1,701.05 is: 2,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.95 : 3,891.98 = 1,701.05 : x
  2. Step 2: Convert to fraction form
    2,819.95/3,891.98 = 1,701.05/x
  3. Step 3: Cross multiply
    2,819.95x = 3,891.98 × 1,701.05
  4. Step 4: Simplify right side
    2,819.95x = 6,620,437.98
  5. Step 5: Solve for x
    x = 6,620,437.98/2,819.95
  6. Step 6: Final answer
    x = 2,347.72

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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.