Home / 3,902.16-5,383.56-2,504.40

Finding the Fourth Proportional to 3,902.16, 5,383.56 and 2,504.40

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Solution

The fourth proportional to 3,902.16, 5,383.56 and 2,504.40 is: 3,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.16 : 5,383.56 = 2,504.40 : x
  2. Step 2: Convert to fraction form
    3,902.16/5,383.56 = 2,504.40/x
  3. Step 3: Cross multiply
    3,902.16x = 5,383.56 × 2,504.40
  4. Step 4: Simplify right side
    3,902.16x = 13,482,587.66
  5. Step 5: Solve for x
    x = 13,482,587.66/3,902.16
  6. Step 6: Final answer
    x = 3,455.16

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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.