Home / 3,750.45-5,627.41-1,641.80

Finding the Fourth Proportional to 3,750.45, 5,627.41 and 1,641.80

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Solution

The fourth proportional to 3,750.45, 5,627.41 and 1,641.80 is: 2,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.45 : 5,627.41 = 1,641.80 : x
  2. Step 2: Convert to fraction form
    3,750.45/5,627.41 = 1,641.80/x
  3. Step 3: Cross multiply
    3,750.45x = 5,627.41 × 1,641.80
  4. Step 4: Simplify right side
    3,750.45x = 9,239,081.74
  5. Step 5: Solve for x
    x = 9,239,081.74/3,750.45
  6. Step 6: Final answer
    x = 2,463.46

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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.