Home / 1,156.58-1,734.75-540.41

Finding the Fourth Proportional to 1,156.58, 1,734.75 and 540.41

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Solution

The fourth proportional to 1,156.58, 1,734.75 and 540.41 is: 810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.58 : 1,734.75 = 540.41 : x
  2. Step 2: Convert to fraction form
    1,156.58/1,734.75 = 540.41/x
  3. Step 3: Cross multiply
    1,156.58x = 1,734.75 × 540.41
  4. Step 4: Simplify right side
    1,156.58x = 937,467.57
  5. Step 5: Solve for x
    x = 937,467.57/1,156.58
  6. Step 6: Final answer
    x = 810.55

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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.