Home / 3,521.40-5,283.72-1,573.38

Finding the Fourth Proportional to 3,521.40, 5,283.72 and 1,573.38

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Solution

The fourth proportional to 3,521.40, 5,283.72 and 1,573.38 is: 2,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.40 : 5,283.72 = 1,573.38 : x
  2. Step 2: Convert to fraction form
    3,521.40/5,283.72 = 1,573.38/x
  3. Step 3: Cross multiply
    3,521.40x = 5,283.72 × 1,573.38
  4. Step 4: Simplify right side
    3,521.40x = 8,313,299.37
  5. Step 5: Solve for x
    x = 8,313,299.37/3,521.40
  6. Step 6: Final answer
    x = 2,360.79

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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.