Home / 1,156.21-1,734.11-334.29

Finding the Fourth Proportional to 1,156.21, 1,734.11 and 334.29

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Solution

The fourth proportional to 1,156.21, 1,734.11 and 334.29 is: 501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.21 : 1,734.11 = 334.29 : x
  2. Step 2: Convert to fraction form
    1,156.21/1,734.11 = 334.29/x
  3. Step 3: Cross multiply
    1,156.21x = 1,734.11 × 334.29
  4. Step 4: Simplify right side
    1,156.21x = 579,695.63
  5. Step 5: Solve for x
    x = 579,695.63/1,156.21
  6. Step 6: Final answer
    x = 501.38

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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.