Home / 2,822.60-3,895.18-1,580.60

Finding the Fourth Proportional to 2,822.60, 3,895.18 and 1,580.60

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Solution

The fourth proportional to 2,822.60, 3,895.18 and 1,580.60 is: 2,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.60 : 3,895.18 = 1,580.60 : x
  2. Step 2: Convert to fraction form
    2,822.60/3,895.18 = 1,580.60/x
  3. Step 3: Cross multiply
    2,822.60x = 3,895.18 × 1,580.60
  4. Step 4: Simplify right side
    2,822.60x = 6,156,702.03
  5. Step 5: Solve for x
    x = 6,156,702.03/2,822.60
  6. Step 6: Final answer
    x = 2,181.22

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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.