Home / 3,985.07-5,497.86-2,568.65

Finding the Fourth Proportional to 3,985.07, 5,497.86 and 2,568.65

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Solution

The fourth proportional to 3,985.07, 5,497.86 and 2,568.65 is: 3,543.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.07 : 5,497.86 = 2,568.65 : x
  2. Step 2: Convert to fraction form
    3,985.07/5,497.86 = 2,568.65/x
  3. Step 3: Cross multiply
    3,985.07x = 5,497.86 × 2,568.65
  4. Step 4: Simplify right side
    3,985.07x = 14,122,050.60
  5. Step 5: Solve for x
    x = 14,122,050.60/3,985.07
  6. Step 6: Final answer
    x = 3,543.74

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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.