Home / 1,134.21-1,700.85-353.95

Finding the Fourth Proportional to 1,134.21, 1,700.85 and 353.95

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Solution

The fourth proportional to 1,134.21, 1,700.85 and 353.95 is: 530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.21 : 1,700.85 = 353.95 : x
  2. Step 2: Convert to fraction form
    1,134.21/1,700.85 = 353.95/x
  3. Step 3: Cross multiply
    1,134.21x = 1,700.85 × 353.95
  4. Step 4: Simplify right side
    1,134.21x = 602,015.86
  5. Step 5: Solve for x
    x = 602,015.86/1,134.21
  6. Step 6: Final answer
    x = 530.78

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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.