Home / 2,876.66-4,307.67-1,901.30

Finding the Fourth Proportional to 2,876.66, 4,307.67 and 1,901.30

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Solution

The fourth proportional to 2,876.66, 4,307.67 and 1,901.30 is: 2,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.66 : 4,307.67 = 1,901.30 : x
  2. Step 2: Convert to fraction form
    2,876.66/4,307.67 = 1,901.30/x
  3. Step 3: Cross multiply
    2,876.66x = 4,307.67 × 1,901.30
  4. Step 4: Simplify right side
    2,876.66x = 8,190,172.97
  5. Step 5: Solve for x
    x = 8,190,172.97/2,876.66
  6. Step 6: Final answer
    x = 2,847.11

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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.