Home / 3,401.38-5,102.16-1,210.18

Finding the Fourth Proportional to 3,401.38, 5,102.16 and 1,210.18

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Solution

The fourth proportional to 3,401.38, 5,102.16 and 1,210.18 is: 1,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.38 : 5,102.16 = 1,210.18 : x
  2. Step 2: Convert to fraction form
    3,401.38/5,102.16 = 1,210.18/x
  3. Step 3: Cross multiply
    3,401.38x = 5,102.16 × 1,210.18
  4. Step 4: Simplify right side
    3,401.38x = 6,174,531.99
  5. Step 5: Solve for x
    x = 6,174,531.99/3,401.38
  6. Step 6: Final answer
    x = 1,815.30

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Similar ratio
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1.5x scale

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.