Home / 3,488.28-4,813.11-2,071.77

Finding the Fourth Proportional to 3,488.28, 4,813.11 and 2,071.77

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Solution

The fourth proportional to 3,488.28, 4,813.11 and 2,071.77 is: 2,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.28 : 4,813.11 = 2,071.77 : x
  2. Step 2: Convert to fraction form
    3,488.28/4,813.11 = 2,071.77/x
  3. Step 3: Cross multiply
    3,488.28x = 4,813.11 × 2,071.77
  4. Step 4: Simplify right side
    3,488.28x = 9,971,656.90
  5. Step 5: Solve for x
    x = 9,971,656.90/3,488.28
  6. Step 6: Final answer
    x = 2,858.62

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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.