Home / 3,750.83-5,626.93-1,285.90

Finding the Fourth Proportional to 3,750.83, 5,626.93 and 1,285.90

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Solution

The fourth proportional to 3,750.83, 5,626.93 and 1,285.90 is: 1,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.83 : 5,626.93 = 1,285.90 : x
  2. Step 2: Convert to fraction form
    3,750.83/5,626.93 = 1,285.90/x
  3. Step 3: Cross multiply
    3,750.83x = 5,626.93 × 1,285.90
  4. Step 4: Simplify right side
    3,750.83x = 7,235,650.80
  5. Step 5: Solve for x
    x = 7,235,650.80/3,750.83
  6. Step 6: Final answer
    x = 1,929.08

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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.