Home / 3,423.51-5,134.55-1,475.28

Finding the Fourth Proportional to 3,423.51, 5,134.55 and 1,475.28

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Solution

The fourth proportional to 3,423.51, 5,134.55 and 1,475.28 is: 2,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.51 : 5,134.55 = 1,475.28 : x
  2. Step 2: Convert to fraction form
    3,423.51/5,134.55 = 1,475.28/x
  3. Step 3: Cross multiply
    3,423.51x = 5,134.55 × 1,475.28
  4. Step 4: Simplify right side
    3,423.51x = 7,574,891.55
  5. Step 5: Solve for x
    x = 7,574,891.55/3,423.51
  6. Step 6: Final answer
    x = 2,212.61

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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.