Home / 2,964.51-4,445.28-1,321.56

Finding the Fourth Proportional to 2,964.51, 4,445.28 and 1,321.56

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Solution

The fourth proportional to 2,964.51, 4,445.28 and 1,321.56 is: 1,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.51 : 4,445.28 = 1,321.56 : x
  2. Step 2: Convert to fraction form
    2,964.51/4,445.28 = 1,321.56/x
  3. Step 3: Cross multiply
    2,964.51x = 4,445.28 × 1,321.56
  4. Step 4: Simplify right side
    2,964.51x = 5,874,704.24
  5. Step 5: Solve for x
    x = 5,874,704.24/2,964.51
  6. Step 6: Final answer
    x = 1,981.68

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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.