Home / 3,000.77-4,139.95-1,881.75

Finding the Fourth Proportional to 3,000.77, 4,139.95 and 1,881.75

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Solution

The fourth proportional to 3,000.77, 4,139.95 and 1,881.75 is: 2,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.77 : 4,139.95 = 1,881.75 : x
  2. Step 2: Convert to fraction form
    3,000.77/4,139.95 = 1,881.75/x
  3. Step 3: Cross multiply
    3,000.77x = 4,139.95 × 1,881.75
  4. Step 4: Simplify right side
    3,000.77x = 7,790,350.91
  5. Step 5: Solve for x
    x = 7,790,350.91/3,000.77
  6. Step 6: Final answer
    x = 2,596.12

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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.