Home / 2,963.68-4,446.06-1,320.22

Finding the Fourth Proportional to 2,963.68, 4,446.06 and 1,320.22

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Solution

The fourth proportional to 2,963.68, 4,446.06 and 1,320.22 is: 1,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.68 : 4,446.06 = 1,320.22 : x
  2. Step 2: Convert to fraction form
    2,963.68/4,446.06 = 1,320.22/x
  3. Step 3: Cross multiply
    2,963.68x = 4,446.06 × 1,320.22
  4. Step 4: Simplify right side
    2,963.68x = 5,869,777.33
  5. Step 5: Solve for x
    x = 5,869,777.33/2,963.68
  6. Step 6: Final answer
    x = 1,980.57

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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.