Home / 2,281.47-3,148.37-1,441.90

Finding the Fourth Proportional to 2,281.47, 3,148.37 and 1,441.90

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Solution

The fourth proportional to 2,281.47, 3,148.37 and 1,441.90 is: 1,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.47 : 3,148.37 = 1,441.90 : x
  2. Step 2: Convert to fraction form
    2,281.47/3,148.37 = 1,441.90/x
  3. Step 3: Cross multiply
    2,281.47x = 3,148.37 × 1,441.90
  4. Step 4: Simplify right side
    2,281.47x = 4,539,636.84
  5. Step 5: Solve for x
    x = 4,539,636.84/2,281.47
  6. Step 6: Final answer
    x = 1,989.79

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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.