Home / 2,440.64-3,653.67-1,661.42

Finding the Fourth Proportional to 2,440.64, 3,653.67 and 1,661.42

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Solution

The fourth proportional to 2,440.64, 3,653.67 and 1,661.42 is: 2,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.64 : 3,653.67 = 1,661.42 : x
  2. Step 2: Convert to fraction form
    2,440.64/3,653.67 = 1,661.42/x
  3. Step 3: Cross multiply
    2,440.64x = 3,653.67 × 1,661.42
  4. Step 4: Simplify right side
    2,440.64x = 6,070,280.41
  5. Step 5: Solve for x
    x = 6,070,280.41/2,440.64
  6. Step 6: Final answer
    x = 2,487.17

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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.