Home / 3,470.40-5,192.64-3,431.52

Finding the Fourth Proportional to 3,470.40, 5,192.64 and 3,431.52

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Solution

The fourth proportional to 3,470.40, 5,192.64 and 3,431.52 is: 5,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.40 : 5,192.64 = 3,431.52 : x
  2. Step 2: Convert to fraction form
    3,470.40/5,192.64 = 3,431.52/x
  3. Step 3: Cross multiply
    3,470.40x = 5,192.64 × 3,431.52
  4. Step 4: Simplify right side
    3,470.40x = 17,818,648.01
  5. Step 5: Solve for x
    x = 17,818,648.01/3,470.40
  6. Step 6: Final answer
    x = 5,134.47

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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.