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Finding the Fourth Proportional to 2,634.76, 3,952.68 and 903.52

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Solution

The fourth proportional to 2,634.76, 3,952.68 and 903.52 is: 1,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.76 : 3,952.68 = 903.52 : x
  2. Step 2: Convert to fraction form
    2,634.76/3,952.68 = 903.52/x
  3. Step 3: Cross multiply
    2,634.76x = 3,952.68 × 903.52
  4. Step 4: Simplify right side
    2,634.76x = 3,571,325.43
  5. Step 5: Solve for x
    x = 3,571,325.43/2,634.76
  6. Step 6: Final answer
    x = 1,355.47

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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.