Home / 2,253.64-3,378.06-1,329.63

Finding the Fourth Proportional to 2,253.64, 3,378.06 and 1,329.63

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Solution

The fourth proportional to 2,253.64, 3,378.06 and 1,329.63 is: 1,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.64 : 3,378.06 = 1,329.63 : x
  2. Step 2: Convert to fraction form
    2,253.64/3,378.06 = 1,329.63/x
  3. Step 3: Cross multiply
    2,253.64x = 3,378.06 × 1,329.63
  4. Step 4: Simplify right side
    2,253.64x = 4,491,569.92
  5. Step 5: Solve for x
    x = 4,491,569.92/2,253.64
  6. Step 6: Final answer
    x = 1,993.03

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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.