Home / 2,930.42-4,390.76-2,062.91

Finding the Fourth Proportional to 2,930.42, 4,390.76 and 2,062.91

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Solution

The fourth proportional to 2,930.42, 4,390.76 and 2,062.91 is: 3,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.42 : 4,390.76 = 2,062.91 : x
  2. Step 2: Convert to fraction form
    2,930.42/4,390.76 = 2,062.91/x
  3. Step 3: Cross multiply
    2,930.42x = 4,390.76 × 2,062.91
  4. Step 4: Simplify right side
    2,930.42x = 9,057,732.40
  5. Step 5: Solve for x
    x = 9,057,732.40/2,930.42
  6. Step 6: Final answer
    x = 3,090.93

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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.