Home / 3,278.04-4,917.33-1,970.70

Finding the Fourth Proportional to 3,278.04, 4,917.33 and 1,970.70

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Solution

The fourth proportional to 3,278.04, 4,917.33 and 1,970.70 is: 2,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.04 : 4,917.33 = 1,970.70 : x
  2. Step 2: Convert to fraction form
    3,278.04/4,917.33 = 1,970.70/x
  3. Step 3: Cross multiply
    3,278.04x = 4,917.33 × 1,970.70
  4. Step 4: Simplify right side
    3,278.04x = 9,690,582.23
  5. Step 5: Solve for x
    x = 9,690,582.23/3,278.04
  6. Step 6: Final answer
    x = 2,956.21

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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.