Home / 2,930.76-4,044.72-1,751.81

Finding the Fourth Proportional to 2,930.76, 4,044.72 and 1,751.81

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Solution

The fourth proportional to 2,930.76, 4,044.72 and 1,751.81 is: 2,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.76 : 4,044.72 = 1,751.81 : x
  2. Step 2: Convert to fraction form
    2,930.76/4,044.72 = 1,751.81/x
  3. Step 3: Cross multiply
    2,930.76x = 4,044.72 × 1,751.81
  4. Step 4: Simplify right side
    2,930.76x = 7,085,567.29
  5. Step 5: Solve for x
    x = 7,085,567.29/2,930.76
  6. Step 6: Final answer
    x = 2,417.66

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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.