Home / 2,881.90-3,977.94-1,885.60

Finding the Fourth Proportional to 2,881.90, 3,977.94 and 1,885.60

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Solution

The fourth proportional to 2,881.90, 3,977.94 and 1,885.60 is: 2,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.90 : 3,977.94 = 1,885.60 : x
  2. Step 2: Convert to fraction form
    2,881.90/3,977.94 = 1,885.60/x
  3. Step 3: Cross multiply
    2,881.90x = 3,977.94 × 1,885.60
  4. Step 4: Simplify right side
    2,881.90x = 7,500,803.66
  5. Step 5: Solve for x
    x = 7,500,803.66/2,881.90
  6. Step 6: Final answer
    x = 2,602.73

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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.