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Finding the Fourth Proportional to 3,841.44, 5,762.88 and 1,649.76

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Solution

The fourth proportional to 3,841.44, 5,762.88 and 1,649.76 is: 2,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.44 : 5,762.88 = 1,649.76 : x
  2. Step 2: Convert to fraction form
    3,841.44/5,762.88 = 1,649.76/x
  3. Step 3: Cross multiply
    3,841.44x = 5,762.88 × 1,649.76
  4. Step 4: Simplify right side
    3,841.44x = 9,507,368.91
  5. Step 5: Solve for x
    x = 9,507,368.91/3,841.44
  6. Step 6: Final answer
    x = 2,474.95

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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.