Home / 3,937.36-5,905.08-1,471.44

Finding the Fourth Proportional to 3,937.36, 5,905.08 and 1,471.44

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Solution

The fourth proportional to 3,937.36, 5,905.08 and 1,471.44 is: 2,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.36 : 5,905.08 = 1,471.44 : x
  2. Step 2: Convert to fraction form
    3,937.36/5,905.08 = 1,471.44/x
  3. Step 3: Cross multiply
    3,937.36x = 5,905.08 × 1,471.44
  4. Step 4: Simplify right side
    3,937.36x = 8,688,970.92
  5. Step 5: Solve for x
    x = 8,688,970.92/3,937.36
  6. Step 6: Final answer
    x = 2,206.80

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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.