Home / 3,614.19-5,423.61-1,423.02

Finding the Fourth Proportional to 3,614.19, 5,423.61 and 1,423.02

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Solution

The fourth proportional to 3,614.19, 5,423.61 and 1,423.02 is: 2,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.19 : 5,423.61 = 1,423.02 : x
  2. Step 2: Convert to fraction form
    3,614.19/5,423.61 = 1,423.02/x
  3. Step 3: Cross multiply
    3,614.19x = 5,423.61 × 1,423.02
  4. Step 4: Simplify right side
    3,614.19x = 7,717,905.50
  5. Step 5: Solve for x
    x = 7,717,905.50/3,614.19
  6. Step 6: Final answer
    x = 2,135.45

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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.