Home / 3,551.32-5,328.06-1,242.28

Finding the Fourth Proportional to 3,551.32, 5,328.06 and 1,242.28

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Solution

The fourth proportional to 3,551.32, 5,328.06 and 1,242.28 is: 1,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.32 : 5,328.06 = 1,242.28 : x
  2. Step 2: Convert to fraction form
    3,551.32/5,328.06 = 1,242.28/x
  3. Step 3: Cross multiply
    3,551.32x = 5,328.06 × 1,242.28
  4. Step 4: Simplify right side
    3,551.32x = 6,618,942.38
  5. Step 5: Solve for x
    x = 6,618,942.38/3,551.32
  6. Step 6: Final answer
    x = 1,863.80

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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.