Home / 2,964.64-4,446.96-1,320.76

Finding the Fourth Proportional to 2,964.64, 4,446.96 and 1,320.76

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Solution

The fourth proportional to 2,964.64, 4,446.96 and 1,320.76 is: 1,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.64 : 4,446.96 = 1,320.76 : x
  2. Step 2: Convert to fraction form
    2,964.64/4,446.96 = 1,320.76/x
  3. Step 3: Cross multiply
    2,964.64x = 4,446.96 × 1,320.76
  4. Step 4: Simplify right side
    2,964.64x = 5,873,366.89
  5. Step 5: Solve for x
    x = 5,873,366.89/2,964.64
  6. Step 6: Final answer
    x = 1,981.14

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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.