Home / 2,830.08-3,905.91-2,357.31

Finding the Fourth Proportional to 2,830.08, 3,905.91 and 2,357.31

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Solution

The fourth proportional to 2,830.08, 3,905.91 and 2,357.31 is: 3,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.08 : 3,905.91 = 2,357.31 : x
  2. Step 2: Convert to fraction form
    2,830.08/3,905.91 = 2,357.31/x
  3. Step 3: Cross multiply
    2,830.08x = 3,905.91 × 2,357.31
  4. Step 4: Simplify right side
    2,830.08x = 9,207,440.70
  5. Step 5: Solve for x
    x = 9,207,440.70/2,830.08
  6. Step 6: Final answer
    x = 3,253.42

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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.