Home / 2,788.94-3,848.85-1,530.11

Finding the Fourth Proportional to 2,788.94, 3,848.85 and 1,530.11

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Solution

The fourth proportional to 2,788.94, 3,848.85 and 1,530.11 is: 2,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.94 : 3,848.85 = 1,530.11 : x
  2. Step 2: Convert to fraction form
    2,788.94/3,848.85 = 1,530.11/x
  3. Step 3: Cross multiply
    2,788.94x = 3,848.85 × 1,530.11
  4. Step 4: Simplify right side
    2,788.94x = 5,889,163.87
  5. Step 5: Solve for x
    x = 5,889,163.87/2,788.94
  6. Step 6: Final answer
    x = 2,111.61

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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.