Home / 2,335.28-3,222.63-1,340.53

Finding the Fourth Proportional to 2,335.28, 3,222.63 and 1,340.53

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Solution

The fourth proportional to 2,335.28, 3,222.63 and 1,340.53 is: 1,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.28 : 3,222.63 = 1,340.53 : x
  2. Step 2: Convert to fraction form
    2,335.28/3,222.63 = 1,340.53/x
  3. Step 3: Cross multiply
    2,335.28x = 3,222.63 × 1,340.53
  4. Step 4: Simplify right side
    2,335.28x = 4,320,024.14
  5. Step 5: Solve for x
    x = 4,320,024.14/2,335.28
  6. Step 6: Final answer
    x = 1,849.90

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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.