Home / 2,643.41-3,966.15-1,084.16

Finding the Fourth Proportional to 2,643.41, 3,966.15 and 1,084.16

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Solution

The fourth proportional to 2,643.41, 3,966.15 and 1,084.16 is: 1,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.41 : 3,966.15 = 1,084.16 : x
  2. Step 2: Convert to fraction form
    2,643.41/3,966.15 = 1,084.16/x
  3. Step 3: Cross multiply
    2,643.41x = 3,966.15 × 1,084.16
  4. Step 4: Simplify right side
    2,643.41x = 4,299,926.76
  5. Step 5: Solve for x
    x = 4,299,926.76/2,643.41
  6. Step 6: Final answer
    x = 1,626.66

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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.