Home / 2,776.31-4,160.88-2,077.50

Finding the Fourth Proportional to 2,776.31, 4,160.88 and 2,077.50

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Solution

The fourth proportional to 2,776.31, 4,160.88 and 2,077.50 is: 3,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.31 : 4,160.88 = 2,077.50 : x
  2. Step 2: Convert to fraction form
    2,776.31/4,160.88 = 2,077.50/x
  3. Step 3: Cross multiply
    2,776.31x = 4,160.88 × 2,077.50
  4. Step 4: Simplify right side
    2,776.31x = 8,644,223.32
  5. Step 5: Solve for x
    x = 8,644,223.32/2,776.31
  6. Step 6: Final answer
    x = 3,113.56

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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.