Home / 2,351.30-3,245.14-1,356.39

Finding the Fourth Proportional to 2,351.30, 3,245.14 and 1,356.39

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Solution

The fourth proportional to 2,351.30, 3,245.14 and 1,356.39 is: 1,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.30 : 3,245.14 = 1,356.39 : x
  2. Step 2: Convert to fraction form
    2,351.30/3,245.14 = 1,356.39/x
  3. Step 3: Cross multiply
    2,351.30x = 3,245.14 × 1,356.39
  4. Step 4: Simplify right side
    2,351.30x = 4,401,659.22
  5. Step 5: Solve for x
    x = 4,401,659.22/2,351.30
  6. Step 6: Final answer
    x = 1,872.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.