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Finding the Fourth Proportional to 3,750.23, 5,619.18 and 1,283.70

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Solution

The fourth proportional to 3,750.23, 5,619.18 and 1,283.70 is: 1,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.23 : 5,619.18 = 1,283.70 : x
  2. Step 2: Convert to fraction form
    3,750.23/5,619.18 = 1,283.70/x
  3. Step 3: Cross multiply
    3,750.23x = 5,619.18 × 1,283.70
  4. Step 4: Simplify right side
    3,750.23x = 7,213,353.03
  5. Step 5: Solve for x
    x = 7,213,353.03/3,750.23
  6. Step 6: Final answer
    x = 1,923.44

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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.