Home / 4,145.58-5,718.99-2,652.78

Finding the Fourth Proportional to 4,145.58, 5,718.99 and 2,652.78

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Solution

The fourth proportional to 4,145.58, 5,718.99 and 2,652.78 is: 3,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.58 : 5,718.99 = 2,652.78 : x
  2. Step 2: Convert to fraction form
    4,145.58/5,718.99 = 2,652.78/x
  3. Step 3: Cross multiply
    4,145.58x = 5,718.99 × 2,652.78
  4. Step 4: Simplify right side
    4,145.58x = 15,171,222.29
  5. Step 5: Solve for x
    x = 15,171,222.29/4,145.58
  6. Step 6: Final answer
    x = 3,659.61

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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.