Home / 3,557.23-5,335.81-1,216.11

Finding the Fourth Proportional to 3,557.23, 5,335.81 and 1,216.11

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Solution

The fourth proportional to 3,557.23, 5,335.81 and 1,216.11 is: 1,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.23 : 5,335.81 = 1,216.11 : x
  2. Step 2: Convert to fraction form
    3,557.23/5,335.81 = 1,216.11/x
  3. Step 3: Cross multiply
    3,557.23x = 5,335.81 × 1,216.11
  4. Step 4: Simplify right side
    3,557.23x = 6,488,931.90
  5. Step 5: Solve for x
    x = 6,488,931.90/3,557.23
  6. Step 6: Final answer
    x = 1,824.15

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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.