Home / 2,761.37-3,810.46-1,626.86

Finding the Fourth Proportional to 2,761.37, 3,810.46 and 1,626.86

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Solution

The fourth proportional to 2,761.37, 3,810.46 and 1,626.86 is: 2,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.37 : 3,810.46 = 1,626.86 : x
  2. Step 2: Convert to fraction form
    2,761.37/3,810.46 = 1,626.86/x
  3. Step 3: Cross multiply
    2,761.37x = 3,810.46 × 1,626.86
  4. Step 4: Simplify right side
    2,761.37x = 6,199,084.96
  5. Step 5: Solve for x
    x = 6,199,084.96/2,761.37
  6. Step 6: Final answer
    x = 2,244.93

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1.5x scale

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.