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Finding the Fourth Proportional to 2,607.29, 3,910.90 and 632.94

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Solution

The fourth proportional to 2,607.29, 3,910.90 and 632.94 is: 949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.29 : 3,910.90 = 632.94 : x
  2. Step 2: Convert to fraction form
    2,607.29/3,910.90 = 632.94/x
  3. Step 3: Cross multiply
    2,607.29x = 3,910.90 × 632.94
  4. Step 4: Simplify right side
    2,607.29x = 2,475,351.76
  5. Step 5: Solve for x
    x = 2,475,351.76/2,607.29
  6. Step 6: Final answer
    x = 949.40

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1.5x scale

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.