Home / 2,202.32-3,038.88-1,317.94

Finding the Fourth Proportional to 2,202.32, 3,038.88 and 1,317.94

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Solution

The fourth proportional to 2,202.32, 3,038.88 and 1,317.94 is: 1,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.32 : 3,038.88 = 1,317.94 : x
  2. Step 2: Convert to fraction form
    2,202.32/3,038.88 = 1,317.94/x
  3. Step 3: Cross multiply
    2,202.32x = 3,038.88 × 1,317.94
  4. Step 4: Simplify right side
    2,202.32x = 4,005,058.85
  5. Step 5: Solve for x
    x = 4,005,058.85/2,202.32
  6. Step 6: Final answer
    x = 1,818.56

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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.