Home / 2,913.14-4,370.35-2,141.30

Finding the Fourth Proportional to 2,913.14, 4,370.35 and 2,141.30

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Solution

The fourth proportional to 2,913.14, 4,370.35 and 2,141.30 is: 3,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.14 : 4,370.35 = 2,141.30 : x
  2. Step 2: Convert to fraction form
    2,913.14/4,370.35 = 2,141.30/x
  3. Step 3: Cross multiply
    2,913.14x = 4,370.35 × 2,141.30
  4. Step 4: Simplify right side
    2,913.14x = 9,358,230.46
  5. Step 5: Solve for x
    x = 9,358,230.46/2,913.14
  6. Step 6: Final answer
    x = 3,212.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.