Home / 2,347.08-3,238.79-1,351.69

Finding the Fourth Proportional to 2,347.08, 3,238.79 and 1,351.69

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Solution

The fourth proportional to 2,347.08, 3,238.79 and 1,351.69 is: 1,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.08 : 3,238.79 = 1,351.69 : x
  2. Step 2: Convert to fraction form
    2,347.08/3,238.79 = 1,351.69/x
  3. Step 3: Cross multiply
    2,347.08x = 3,238.79 × 1,351.69
  4. Step 4: Simplify right side
    2,347.08x = 4,377,825.20
  5. Step 5: Solve for x
    x = 4,377,825.20/2,347.08
  6. Step 6: Final answer
    x = 1,865.22

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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.