Home / 1,694.90-2,541.67-1,077.76

Finding the Fourth Proportional to 1,694.90, 2,541.67 and 1,077.76

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Solution

The fourth proportional to 1,694.90, 2,541.67 and 1,077.76 is: 1,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.90 : 2,541.67 = 1,077.76 : x
  2. Step 2: Convert to fraction form
    1,694.90/2,541.67 = 1,077.76/x
  3. Step 3: Cross multiply
    1,694.90x = 2,541.67 × 1,077.76
  4. Step 4: Simplify right side
    1,694.90x = 2,739,310.26
  5. Step 5: Solve for x
    x = 2,739,310.26/1,694.90
  6. Step 6: Final answer
    x = 1,616.21

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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.