Home / 3,750.78-5,626.50-1,284.60

Finding the Fourth Proportional to 3,750.78, 5,626.50 and 1,284.60

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Solution

The fourth proportional to 3,750.78, 5,626.50 and 1,284.60 is: 1,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.78 : 5,626.50 = 1,284.60 : x
  2. Step 2: Convert to fraction form
    3,750.78/5,626.50 = 1,284.60/x
  3. Step 3: Cross multiply
    3,750.78x = 5,626.50 × 1,284.60
  4. Step 4: Simplify right side
    3,750.78x = 7,227,801.90
  5. Step 5: Solve for x
    x = 7,227,801.90/3,750.78
  6. Step 6: Final answer
    x = 1,927.01

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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.