Home / 3,848.13-5,310.09-2,169.18

Finding the Fourth Proportional to 3,848.13, 5,310.09 and 2,169.18

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Solution

The fourth proportional to 3,848.13, 5,310.09 and 2,169.18 is: 2,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.13 : 5,310.09 = 2,169.18 : x
  2. Step 2: Convert to fraction form
    3,848.13/5,310.09 = 2,169.18/x
  3. Step 3: Cross multiply
    3,848.13x = 5,310.09 × 2,169.18
  4. Step 4: Simplify right side
    3,848.13x = 11,518,541.03
  5. Step 5: Solve for x
    x = 11,518,541.03/3,848.13
  6. Step 6: Final answer
    x = 2,993.28

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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.