Home / 3,688.22-5,530.66-1,347.83

Finding the Fourth Proportional to 3,688.22, 5,530.66 and 1,347.83

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Solution

The fourth proportional to 3,688.22, 5,530.66 and 1,347.83 is: 2,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.22 : 5,530.66 = 1,347.83 : x
  2. Step 2: Convert to fraction form
    3,688.22/5,530.66 = 1,347.83/x
  3. Step 3: Cross multiply
    3,688.22x = 5,530.66 × 1,347.83
  4. Step 4: Simplify right side
    3,688.22x = 7,454,389.47
  5. Step 5: Solve for x
    x = 7,454,389.47/3,688.22
  6. Step 6: Final answer
    x = 2,021.13

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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.