Home / 3,701.40-5,552.20-1,620.33

Finding the Fourth Proportional to 3,701.40, 5,552.20 and 1,620.33

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Solution

The fourth proportional to 3,701.40, 5,552.20 and 1,620.33 is: 2,430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.40 : 5,552.20 = 1,620.33 : x
  2. Step 2: Convert to fraction form
    3,701.40/5,552.20 = 1,620.33/x
  3. Step 3: Cross multiply
    3,701.40x = 5,552.20 × 1,620.33
  4. Step 4: Simplify right side
    3,701.40x = 8,996,396.23
  5. Step 5: Solve for x
    x = 8,996,396.23/3,701.40
  6. Step 6: Final answer
    x = 2,430.54

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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.