Home / 3,108.81-4,663.47-1,353.87

Finding the Fourth Proportional to 3,108.81, 4,663.47 and 1,353.87

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Solution

The fourth proportional to 3,108.81, 4,663.47 and 1,353.87 is: 2,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.81 : 4,663.47 = 1,353.87 : x
  2. Step 2: Convert to fraction form
    3,108.81/4,663.47 = 1,353.87/x
  3. Step 3: Cross multiply
    3,108.81x = 4,663.47 × 1,353.87
  4. Step 4: Simplify right side
    3,108.81x = 6,313,737.21
  5. Step 5: Solve for x
    x = 6,313,737.21/3,108.81
  6. Step 6: Final answer
    x = 2,030.92

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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.