Home / 2,282.21-3,420.57-1,047.92

Finding the Fourth Proportional to 2,282.21, 3,420.57 and 1,047.92

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Solution

The fourth proportional to 2,282.21, 3,420.57 and 1,047.92 is: 1,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.21 : 3,420.57 = 1,047.92 : x
  2. Step 2: Convert to fraction form
    2,282.21/3,420.57 = 1,047.92/x
  3. Step 3: Cross multiply
    2,282.21x = 3,420.57 × 1,047.92
  4. Step 4: Simplify right side
    2,282.21x = 3,584,466.61
  5. Step 5: Solve for x
    x = 3,584,466.61/2,282.21
  6. Step 6: Final answer
    x = 1,570.62

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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.