Home / 1,550.72-2,324.70-1,091.45

Finding the Fourth Proportional to 1,550.72, 2,324.70 and 1,091.45

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Solution

The fourth proportional to 1,550.72, 2,324.70 and 1,091.45 is: 1,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.72 : 2,324.70 = 1,091.45 : x
  2. Step 2: Convert to fraction form
    1,550.72/2,324.70 = 1,091.45/x
  3. Step 3: Cross multiply
    1,550.72x = 2,324.70 × 1,091.45
  4. Step 4: Simplify right side
    1,550.72x = 2,537,293.82
  5. Step 5: Solve for x
    x = 2,537,293.82/1,550.72
  6. Step 6: Final answer
    x = 1,636.20

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1.5x scale

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.