Home / 3,486.78-4,811.04-2,070.27

Finding the Fourth Proportional to 3,486.78, 4,811.04 and 2,070.27

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Solution

The fourth proportional to 3,486.78, 4,811.04 and 2,070.27 is: 2,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.78 : 4,811.04 = 2,070.27 : x
  2. Step 2: Convert to fraction form
    3,486.78/4,811.04 = 2,070.27/x
  3. Step 3: Cross multiply
    3,486.78x = 4,811.04 × 2,070.27
  4. Step 4: Simplify right side
    3,486.78x = 9,960,151.78
  5. Step 5: Solve for x
    x = 9,960,151.78/3,486.78
  6. Step 6: Final answer
    x = 2,856.55

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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.