Home / 3,750.81-5,626.33-1,285.61

Finding the Fourth Proportional to 3,750.81, 5,626.33 and 1,285.61

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Solution

The fourth proportional to 3,750.81, 5,626.33 and 1,285.61 is: 1,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.81 : 5,626.33 = 1,285.61 : x
  2. Step 2: Convert to fraction form
    3,750.81/5,626.33 = 1,285.61/x
  3. Step 3: Cross multiply
    3,750.81x = 5,626.33 × 1,285.61
  4. Step 4: Simplify right side
    3,750.81x = 7,233,234.77
  5. Step 5: Solve for x
    x = 7,233,234.77/3,750.81
  6. Step 6: Final answer
    x = 1,928.45

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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.