Home / 2,904.86-4,353.05-1,805.90

Finding the Fourth Proportional to 2,904.86, 4,353.05 and 1,805.90

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Solution

The fourth proportional to 2,904.86, 4,353.05 and 1,805.90 is: 2,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.86 : 4,353.05 = 1,805.90 : x
  2. Step 2: Convert to fraction form
    2,904.86/4,353.05 = 1,805.90/x
  3. Step 3: Cross multiply
    2,904.86x = 4,353.05 × 1,805.90
  4. Step 4: Simplify right side
    2,904.86x = 7,861,155.74
  5. Step 5: Solve for x
    x = 7,861,155.74/2,904.86
  6. Step 6: Final answer
    x = 2,706.21

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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.