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Finding the Fourth Proportional to 3,777.38, 5,664.63 and 1,802.66

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Solution

The fourth proportional to 3,777.38, 5,664.63 and 1,802.66 is: 2,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.38 : 5,664.63 = 1,802.66 : x
  2. Step 2: Convert to fraction form
    3,777.38/5,664.63 = 1,802.66/x
  3. Step 3: Cross multiply
    3,777.38x = 5,664.63 × 1,802.66
  4. Step 4: Simplify right side
    3,777.38x = 10,211,401.92
  5. Step 5: Solve for x
    x = 10,211,401.92/3,777.38
  6. Step 6: Final answer
    x = 2,703.30

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1.5x scale

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.