Home / 3,783.83-5,669.45-2,319.90

Finding the Fourth Proportional to 3,783.83, 5,669.45 and 2,319.90

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Solution

The fourth proportional to 3,783.83, 5,669.45 and 2,319.90 is: 3,475.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.83 : 5,669.45 = 2,319.90 : x
  2. Step 2: Convert to fraction form
    3,783.83/5,669.45 = 2,319.90/x
  3. Step 3: Cross multiply
    3,783.83x = 5,669.45 × 2,319.90
  4. Step 4: Simplify right side
    3,783.83x = 13,152,545.46
  5. Step 5: Solve for x
    x = 13,152,545.46/3,783.83
  6. Step 6: Final answer
    x = 3,475.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.