Home / 2,287.96-3,432-1,056.40

Finding the Fourth Proportional to 2,287.96, 3,432 and 1,056.40

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Solution

The fourth proportional to 2,287.96, 3,432 and 1,056.40 is: 1,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.96 : 3,432 = 1,056.40 : x
  2. Step 2: Convert to fraction form
    2,287.96/3,432 = 1,056.40/x
  3. Step 3: Cross multiply
    2,287.96x = 3,432 × 1,056.40
  4. Step 4: Simplify right side
    2,287.96x = 3,625,564.80
  5. Step 5: Solve for x
    x = 3,625,564.80/2,287.96
  6. Step 6: Final answer
    x = 1,584.63

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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.