Home / 3,423.81-5,134.42-2,259.90

Finding the Fourth Proportional to 3,423.81, 5,134.42 and 2,259.90

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Solution

The fourth proportional to 3,423.81, 5,134.42 and 2,259.90 is: 3,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.81 : 5,134.42 = 2,259.90 : x
  2. Step 2: Convert to fraction form
    3,423.81/5,134.42 = 2,259.90/x
  3. Step 3: Cross multiply
    3,423.81x = 5,134.42 × 2,259.90
  4. Step 4: Simplify right side
    3,423.81x = 11,603,275.76
  5. Step 5: Solve for x
    x = 11,603,275.76/3,423.81
  6. Step 6: Final answer
    x = 3,389.00

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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.