Home / 3,865.26-5,334.08-2,271.45

Finding the Fourth Proportional to 3,865.26, 5,334.08 and 2,271.45

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Solution

The fourth proportional to 3,865.26, 5,334.08 and 2,271.45 is: 3,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.26 : 5,334.08 = 2,271.45 : x
  2. Step 2: Convert to fraction form
    3,865.26/5,334.08 = 2,271.45/x
  3. Step 3: Cross multiply
    3,865.26x = 5,334.08 × 2,271.45
  4. Step 4: Simplify right side
    3,865.26x = 12,116,084.66
  5. Step 5: Solve for x
    x = 12,116,084.66/3,865.26
  6. Step 6: Final answer
    x = 3,134.61

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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.