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Finding the Fourth Proportional to 1,934.20, 2,903.20 and 1,010.50

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Solution

The fourth proportional to 1,934.20, 2,903.20 and 1,010.50 is: 1,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.20 : 2,903.20 = 1,010.50 : x
  2. Step 2: Convert to fraction form
    1,934.20/2,903.20 = 1,010.50/x
  3. Step 3: Cross multiply
    1,934.20x = 2,903.20 × 1,010.50
  4. Step 4: Simplify right side
    1,934.20x = 2,933,669.08
  5. Step 5: Solve for x
    x = 2,933,669.08/1,934.20
  6. Step 6: Final answer
    x = 1,516.74

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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.