Home / 3,549.78-5,324.67-1,210.05

Finding the Fourth Proportional to 3,549.78, 5,324.67 and 1,210.05

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Solution

The fourth proportional to 3,549.78, 5,324.67 and 1,210.05 is: 1,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.78 : 5,324.67 = 1,210.05 : x
  2. Step 2: Convert to fraction form
    3,549.78/5,324.67 = 1,210.05/x
  3. Step 3: Cross multiply
    3,549.78x = 5,324.67 × 1,210.05
  4. Step 4: Simplify right side
    3,549.78x = 6,443,116.93
  5. Step 5: Solve for x
    x = 6,443,116.93/3,549.78
  6. Step 6: Final answer
    x = 1,815.08

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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.