Home / 3,848.81-5,309.23-2,587.64

Finding the Fourth Proportional to 3,848.81, 5,309.23 and 2,587.64

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Solution

The fourth proportional to 3,848.81, 5,309.23 and 2,587.64 is: 3,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.81 : 5,309.23 = 2,587.64 : x
  2. Step 2: Convert to fraction form
    3,848.81/5,309.23 = 2,587.64/x
  3. Step 3: Cross multiply
    3,848.81x = 5,309.23 × 2,587.64
  4. Step 4: Simplify right side
    3,848.81x = 13,738,375.92
  5. Step 5: Solve for x
    x = 13,738,375.92/3,848.81
  6. Step 6: Final answer
    x = 3,569.51

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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.