Home / 2,930.25-4,044.23-1,688.97

Finding the Fourth Proportional to 2,930.25, 4,044.23 and 1,688.97

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Solution

The fourth proportional to 2,930.25, 4,044.23 and 1,688.97 is: 2,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.25 : 4,044.23 = 1,688.97 : x
  2. Step 2: Convert to fraction form
    2,930.25/4,044.23 = 1,688.97/x
  3. Step 3: Cross multiply
    2,930.25x = 4,044.23 × 1,688.97
  4. Step 4: Simplify right side
    2,930.25x = 6,830,574.70
  5. Step 5: Solve for x
    x = 6,830,574.70/2,930.25
  6. Step 6: Final answer
    x = 2,331.06

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1.5x scale

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.