Home / 3,401.09-5,102.03-1,210.04

Finding the Fourth Proportional to 3,401.09, 5,102.03 and 1,210.04

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Solution

The fourth proportional to 3,401.09, 5,102.03 and 1,210.04 is: 1,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.09 : 5,102.03 = 1,210.04 : x
  2. Step 2: Convert to fraction form
    3,401.09/5,102.03 = 1,210.04/x
  3. Step 3: Cross multiply
    3,401.09x = 5,102.03 × 1,210.04
  4. Step 4: Simplify right side
    3,401.09x = 6,173,637.90
  5. Step 5: Solve for x
    x = 6,173,637.90/3,401.09
  6. Step 6: Final answer
    x = 1,815.20

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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.