Home / 1,156.20-1,734.10-376.22

Finding the Fourth Proportional to 1,156.20, 1,734.10 and 376.22

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Solution

The fourth proportional to 1,156.20, 1,734.10 and 376.22 is: 564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.20 : 1,734.10 = 376.22 : x
  2. Step 2: Convert to fraction form
    1,156.20/1,734.10 = 376.22/x
  3. Step 3: Cross multiply
    1,156.20x = 1,734.10 × 376.22
  4. Step 4: Simplify right side
    1,156.20x = 652,403.10
  5. Step 5: Solve for x
    x = 652,403.10/1,156.20
  6. Step 6: Final answer
    x = 564.26

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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.