Home / 2,202.76-3,038.83-1,317.97

Finding the Fourth Proportional to 2,202.76, 3,038.83 and 1,317.97

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Solution

The fourth proportional to 2,202.76, 3,038.83 and 1,317.97 is: 1,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.76 : 3,038.83 = 1,317.97 : x
  2. Step 2: Convert to fraction form
    2,202.76/3,038.83 = 1,317.97/x
  3. Step 3: Cross multiply
    2,202.76x = 3,038.83 × 1,317.97
  4. Step 4: Simplify right side
    2,202.76x = 4,005,086.78
  5. Step 5: Solve for x
    x = 4,005,086.78/2,202.76
  6. Step 6: Final answer
    x = 1,818.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.