Home / 2,734.80-4,095.72-1,955.76

Finding the Fourth Proportional to 2,734.80, 4,095.72 and 1,955.76

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Solution

The fourth proportional to 2,734.80, 4,095.72 and 1,955.76 is: 2,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.80 : 4,095.72 = 1,955.76 : x
  2. Step 2: Convert to fraction form
    2,734.80/4,095.72 = 1,955.76/x
  3. Step 3: Cross multiply
    2,734.80x = 4,095.72 × 1,955.76
  4. Step 4: Simplify right side
    2,734.80x = 8,010,245.35
  5. Step 5: Solve for x
    x = 8,010,245.35/2,734.80
  6. Step 6: Final answer
    x = 2,929.01

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1.5x scale

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.