Home / 2,341.24-3,231.38-1,347.20

Finding the Fourth Proportional to 2,341.24, 3,231.38 and 1,347.20

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Solution

The fourth proportional to 2,341.24, 3,231.38 and 1,347.20 is: 1,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.24 : 3,231.38 = 1,347.20 : x
  2. Step 2: Convert to fraction form
    2,341.24/3,231.38 = 1,347.20/x
  3. Step 3: Cross multiply
    2,341.24x = 3,231.38 × 1,347.20
  4. Step 4: Simplify right side
    2,341.24x = 4,353,315.14
  5. Step 5: Solve for x
    x = 4,353,315.14/2,341.24
  6. Step 6: Final answer
    x = 1,859.41

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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.