Home / 3,985.06-5,497.86-2,568.58

Finding the Fourth Proportional to 3,985.06, 5,497.86 and 2,568.58

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Solution

The fourth proportional to 3,985.06, 5,497.86 and 2,568.58 is: 3,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.06 : 5,497.86 = 2,568.58 : x
  2. Step 2: Convert to fraction form
    3,985.06/5,497.86 = 2,568.58/x
  3. Step 3: Cross multiply
    3,985.06x = 5,497.86 × 2,568.58
  4. Step 4: Simplify right side
    3,985.06x = 14,121,693.24
  5. Step 5: Solve for x
    x = 14,121,693.24/3,985.06
  6. Step 6: Final answer
    x = 3,543.66

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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.