Home / 2,722.10-4,077.48-2,258.78

Finding the Fourth Proportional to 2,722.10, 4,077.48 and 2,258.78

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Solution

The fourth proportional to 2,722.10, 4,077.48 and 2,258.78 is: 3,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.10 : 4,077.48 = 2,258.78 : x
  2. Step 2: Convert to fraction form
    2,722.10/4,077.48 = 2,258.78/x
  3. Step 3: Cross multiply
    2,722.10x = 4,077.48 × 2,258.78
  4. Step 4: Simplify right side
    2,722.10x = 9,210,130.27
  5. Step 5: Solve for x
    x = 9,210,130.27/2,722.10
  6. Step 6: Final answer
    x = 3,383.47

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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.