Home / 3,739.20-5,607.16-1,273.34

Finding the Fourth Proportional to 3,739.20, 5,607.16 and 1,273.34

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Solution

The fourth proportional to 3,739.20, 5,607.16 and 1,273.34 is: 1,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.20 : 5,607.16 = 1,273.34 : x
  2. Step 2: Convert to fraction form
    3,739.20/5,607.16 = 1,273.34/x
  3. Step 3: Cross multiply
    3,739.20x = 5,607.16 × 1,273.34
  4. Step 4: Simplify right side
    3,739.20x = 7,139,821.11
  5. Step 5: Solve for x
    x = 7,139,821.11/3,739.20
  6. Step 6: Final answer
    x = 1,909.45

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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.