Home / 3,256.81-4,499.30-2,265.51

Finding the Fourth Proportional to 3,256.81, 4,499.30 and 2,265.51

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Solution

The fourth proportional to 3,256.81, 4,499.30 and 2,265.51 is: 3,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.81 : 4,499.30 = 2,265.51 : x
  2. Step 2: Convert to fraction form
    3,256.81/4,499.30 = 2,265.51/x
  3. Step 3: Cross multiply
    3,256.81x = 4,499.30 × 2,265.51
  4. Step 4: Simplify right side
    3,256.81x = 10,193,209.14
  5. Step 5: Solve for x
    x = 10,193,209.14/3,256.81
  6. Step 6: Final answer
    x = 3,129.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.