Home / 3,401.91-5,102.85-1,210.72

Finding the Fourth Proportional to 3,401.91, 5,102.85 and 1,210.72

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Solution

The fourth proportional to 3,401.91, 5,102.85 and 1,210.72 is: 1,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.91 : 5,102.85 = 1,210.72 : x
  2. Step 2: Convert to fraction form
    3,401.91/5,102.85 = 1,210.72/x
  3. Step 3: Cross multiply
    3,401.91x = 5,102.85 × 1,210.72
  4. Step 4: Simplify right side
    3,401.91x = 6,178,122.55
  5. Step 5: Solve for x
    x = 6,178,122.55/3,401.91
  6. Step 6: Final answer
    x = 1,816.07

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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.