Home / 3,168.85-4,754.28-1,525.51

Finding the Fourth Proportional to 3,168.85, 4,754.28 and 1,525.51

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Solution

The fourth proportional to 3,168.85, 4,754.28 and 1,525.51 is: 2,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.85 : 4,754.28 = 1,525.51 : x
  2. Step 2: Convert to fraction form
    3,168.85/4,754.28 = 1,525.51/x
  3. Step 3: Cross multiply
    3,168.85x = 4,754.28 × 1,525.51
  4. Step 4: Simplify right side
    3,168.85x = 7,252,701.68
  5. Step 5: Solve for x
    x = 7,252,701.68/3,168.85
  6. Step 6: Final answer
    x = 2,288.75

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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.