Home / 3,423.11-5,130.56-1,341.81

Finding the Fourth Proportional to 3,423.11, 5,130.56 and 1,341.81

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Solution

The fourth proportional to 3,423.11, 5,130.56 and 1,341.81 is: 2,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.11 : 5,130.56 = 1,341.81 : x
  2. Step 2: Convert to fraction form
    3,423.11/5,130.56 = 1,341.81/x
  3. Step 3: Cross multiply
    3,423.11x = 5,130.56 × 1,341.81
  4. Step 4: Simplify right side
    3,423.11x = 6,884,230.00
  5. Step 5: Solve for x
    x = 6,884,230.00/3,423.11
  6. Step 6: Final answer
    x = 2,011.11

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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.