Home / 2,253.33-3,378.20-1,478.16

Finding the Fourth Proportional to 2,253.33, 3,378.20 and 1,478.16

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Solution

The fourth proportional to 2,253.33, 3,378.20 and 1,478.16 is: 2,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.33 : 3,378.20 = 1,478.16 : x
  2. Step 2: Convert to fraction form
    2,253.33/3,378.20 = 1,478.16/x
  3. Step 3: Cross multiply
    2,253.33x = 3,378.20 × 1,478.16
  4. Step 4: Simplify right side
    2,253.33x = 4,993,512.72
  5. Step 5: Solve for x
    x = 4,993,512.72/2,253.33
  6. Step 6: Final answer
    x = 2,216.06

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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.