Home / 2,930.15-4,044.92-1,869.34

Finding the Fourth Proportional to 2,930.15, 4,044.92 and 1,869.34

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Solution

The fourth proportional to 2,930.15, 4,044.92 and 1,869.34 is: 2,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.15 : 4,044.92 = 1,869.34 : x
  2. Step 2: Convert to fraction form
    2,930.15/4,044.92 = 1,869.34/x
  3. Step 3: Cross multiply
    2,930.15x = 4,044.92 × 1,869.34
  4. Step 4: Simplify right side
    2,930.15x = 7,561,330.75
  5. Step 5: Solve for x
    x = 7,561,330.75/2,930.15
  6. Step 6: Final answer
    x = 2,580.53

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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.