Home / 2,301.21-3,452.38-657.77

Finding the Fourth Proportional to 2,301.21, 3,452.38 and 657.77

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Solution

The fourth proportional to 2,301.21, 3,452.38 and 657.77 is: 986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.21 : 3,452.38 = 657.77 : x
  2. Step 2: Convert to fraction form
    2,301.21/3,452.38 = 657.77/x
  3. Step 3: Cross multiply
    2,301.21x = 3,452.38 × 657.77
  4. Step 4: Simplify right side
    2,301.21x = 2,270,854.73
  5. Step 5: Solve for x
    x = 2,270,854.73/2,301.21
  6. Step 6: Final answer
    x = 986.81

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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.