Home / 3,047.32-4,205.39-1,788.48

Finding the Fourth Proportional to 3,047.32, 4,205.39 and 1,788.48

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Solution

The fourth proportional to 3,047.32, 4,205.39 and 1,788.48 is: 2,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.32 : 4,205.39 = 1,788.48 : x
  2. Step 2: Convert to fraction form
    3,047.32/4,205.39 = 1,788.48/x
  3. Step 3: Cross multiply
    3,047.32x = 4,205.39 × 1,788.48
  4. Step 4: Simplify right side
    3,047.32x = 7,521,246.96
  5. Step 5: Solve for x
    x = 7,521,246.96/3,047.32
  6. Step 6: Final answer
    x = 2,468.15

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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.