Home / 4,145.77-5,721.02-2,257.32

Finding the Fourth Proportional to 4,145.77, 5,721.02 and 2,257.32

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Solution

The fourth proportional to 4,145.77, 5,721.02 and 2,257.32 is: 3,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.77 : 5,721.02 = 2,257.32 : x
  2. Step 2: Convert to fraction form
    4,145.77/5,721.02 = 2,257.32/x
  3. Step 3: Cross multiply
    4,145.77x = 5,721.02 × 2,257.32
  4. Step 4: Simplify right side
    4,145.77x = 12,914,144.26
  5. Step 5: Solve for x
    x = 12,914,144.26/4,145.77
  6. Step 6: Final answer
    x = 3,115.02

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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.