Home / 3,400.29-5,095.61-1,423.79

Finding the Fourth Proportional to 3,400.29, 5,095.61 and 1,423.79

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Solution

The fourth proportional to 3,400.29, 5,095.61 and 1,423.79 is: 2,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.29 : 5,095.61 = 1,423.79 : x
  2. Step 2: Convert to fraction form
    3,400.29/5,095.61 = 1,423.79/x
  3. Step 3: Cross multiply
    3,400.29x = 5,095.61 × 1,423.79
  4. Step 4: Simplify right side
    3,400.29x = 7,255,056.08
  5. Step 5: Solve for x
    x = 7,255,056.08/3,400.29
  6. Step 6: Final answer
    x = 2,133.66

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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.