Home / 3,501.20-5,247.78-1,549.40

Finding the Fourth Proportional to 3,501.20, 5,247.78 and 1,549.40

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Solution

The fourth proportional to 3,501.20, 5,247.78 and 1,549.40 is: 2,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.20 : 5,247.78 = 1,549.40 : x
  2. Step 2: Convert to fraction form
    3,501.20/5,247.78 = 1,549.40/x
  3. Step 3: Cross multiply
    3,501.20x = 5,247.78 × 1,549.40
  4. Step 4: Simplify right side
    3,501.20x = 8,130,910.33
  5. Step 5: Solve for x
    x = 8,130,910.33/3,501.20
  6. Step 6: Final answer
    x = 2,322.32

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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.