Home / 2,440.12-3,653.94-1,343.28

Finding the Fourth Proportional to 2,440.12, 3,653.94 and 1,343.28

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Solution

The fourth proportional to 2,440.12, 3,653.94 and 1,343.28 is: 2,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.12 : 3,653.94 = 1,343.28 : x
  2. Step 2: Convert to fraction form
    2,440.12/3,653.94 = 1,343.28/x
  3. Step 3: Cross multiply
    2,440.12x = 3,653.94 × 1,343.28
  4. Step 4: Simplify right side
    2,440.12x = 4,908,264.52
  5. Step 5: Solve for x
    x = 4,908,264.52/2,440.12
  6. Step 6: Final answer
    x = 2,011.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.