Home / 3,390.23-4,678.61-2,063.90

Finding the Fourth Proportional to 3,390.23, 4,678.61 and 2,063.90

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Solution

The fourth proportional to 3,390.23, 4,678.61 and 2,063.90 is: 2,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.23 : 4,678.61 = 2,063.90 : x
  2. Step 2: Convert to fraction form
    3,390.23/4,678.61 = 2,063.90/x
  3. Step 3: Cross multiply
    3,390.23x = 4,678.61 × 2,063.90
  4. Step 4: Simplify right side
    3,390.23x = 9,656,183.18
  5. Step 5: Solve for x
    x = 9,656,183.18/3,390.23
  6. Step 6: Final answer
    x = 2,848.24

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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.