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Finding the Fourth Proportional to 3,573.58, 5,360.38 and 1,930.90

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Solution

The fourth proportional to 3,573.58, 5,360.38 and 1,930.90 is: 2,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.58 : 5,360.38 = 1,930.90 : x
  2. Step 2: Convert to fraction form
    3,573.58/5,360.38 = 1,930.90/x
  3. Step 3: Cross multiply
    3,573.58x = 5,360.38 × 1,930.90
  4. Step 4: Simplify right side
    3,573.58x = 10,350,357.74
  5. Step 5: Solve for x
    x = 10,350,357.74/3,573.58
  6. Step 6: Final answer
    x = 2,896.36

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1.5x scale

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.