Home / 3,827.13-5,281.07-2,148.20

Finding the Fourth Proportional to 3,827.13, 5,281.07 and 2,148.20

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Solution

The fourth proportional to 3,827.13, 5,281.07 and 2,148.20 is: 2,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.13 : 5,281.07 = 2,148.20 : x
  2. Step 2: Convert to fraction form
    3,827.13/5,281.07 = 2,148.20/x
  3. Step 3: Cross multiply
    3,827.13x = 5,281.07 × 2,148.20
  4. Step 4: Simplify right side
    3,827.13x = 11,344,813.15
  5. Step 5: Solve for x
    x = 11,344,813.15/3,827.13
  6. Step 6: Final answer
    x = 2,964.31

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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.