Home / 3,739.86-5,600.34-2,421.45

Finding the Fourth Proportional to 3,739.86, 5,600.34 and 2,421.45

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Solution

The fourth proportional to 3,739.86, 5,600.34 and 2,421.45 is: 3,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.86 : 5,600.34 = 2,421.45 : x
  2. Step 2: Convert to fraction form
    3,739.86/5,600.34 = 2,421.45/x
  3. Step 3: Cross multiply
    3,739.86x = 5,600.34 × 2,421.45
  4. Step 4: Simplify right side
    3,739.86x = 13,560,943.29
  5. Step 5: Solve for x
    x = 13,560,943.29/3,739.86
  6. Step 6: Final answer
    x = 3,626.06

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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.