Home / 3,401.10-5,126.76-3,120.30

Finding the Fourth Proportional to 3,401.10, 5,126.76 and 3,120.30

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Solution

The fourth proportional to 3,401.10, 5,126.76 and 3,120.30 is: 4,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.10 : 5,126.76 = 3,120.30 : x
  2. Step 2: Convert to fraction form
    3,401.10/5,126.76 = 3,120.30/x
  3. Step 3: Cross multiply
    3,401.10x = 5,126.76 × 3,120.30
  4. Step 4: Simplify right side
    3,401.10x = 15,997,029.23
  5. Step 5: Solve for x
    x = 15,997,029.23/3,401.10
  6. Step 6: Final answer
    x = 4,703.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.