Home / 3,824.22-5,277.10-2,145.40

Finding the Fourth Proportional to 3,824.22, 5,277.10 and 2,145.40

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Solution

The fourth proportional to 3,824.22, 5,277.10 and 2,145.40 is: 2,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.22 : 5,277.10 = 2,145.40 : x
  2. Step 2: Convert to fraction form
    3,824.22/5,277.10 = 2,145.40/x
  3. Step 3: Cross multiply
    3,824.22x = 5,277.10 × 2,145.40
  4. Step 4: Simplify right side
    3,824.22x = 11,321,490.34
  5. Step 5: Solve for x
    x = 11,321,490.34/3,824.22
  6. Step 6: Final answer
    x = 2,960.47

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Double scale
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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.