Home / 3,077.50-4,601.24-2,620.66

Finding the Fourth Proportional to 3,077.50, 4,601.24 and 2,620.66

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Solution

The fourth proportional to 3,077.50, 4,601.24 and 2,620.66 is: 3,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.50 : 4,601.24 = 2,620.66 : x
  2. Step 2: Convert to fraction form
    3,077.50/4,601.24 = 2,620.66/x
  3. Step 3: Cross multiply
    3,077.50x = 4,601.24 × 2,620.66
  4. Step 4: Simplify right side
    3,077.50x = 12,058,285.62
  5. Step 5: Solve for x
    x = 12,058,285.62/3,077.50
  6. Step 6: Final answer
    x = 3,918.21

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1.5x scale

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.