Home / 1,100.26-1,650.37-370.35

Finding the Fourth Proportional to 1,100.26, 1,650.37 and 370.35

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Solution

The fourth proportional to 1,100.26, 1,650.37 and 370.35 is: 555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.26 : 1,650.37 = 370.35 : x
  2. Step 2: Convert to fraction form
    1,100.26/1,650.37 = 370.35/x
  3. Step 3: Cross multiply
    1,100.26x = 1,650.37 × 370.35
  4. Step 4: Simplify right side
    1,100.26x = 611,214.53
  5. Step 5: Solve for x
    x = 611,214.53/1,100.26
  6. Step 6: Final answer
    x = 555.52

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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.