Home / 2,930.79-4,045.35-2,046.88

Finding the Fourth Proportional to 2,930.79, 4,045.35 and 2,046.88

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Solution

The fourth proportional to 2,930.79, 4,045.35 and 2,046.88 is: 2,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.79 : 4,045.35 = 2,046.88 : x
  2. Step 2: Convert to fraction form
    2,930.79/4,045.35 = 2,046.88/x
  3. Step 3: Cross multiply
    2,930.79x = 4,045.35 × 2,046.88
  4. Step 4: Simplify right side
    2,930.79x = 8,280,346.01
  5. Step 5: Solve for x
    x = 8,280,346.01/2,930.79
  6. Step 6: Final answer
    x = 2,825.29

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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.