Home / 1,550.16-2,319.72-1,138.32

Finding the Fourth Proportional to 1,550.16, 2,319.72 and 1,138.32

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Solution

The fourth proportional to 1,550.16, 2,319.72 and 1,138.32 is: 1,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.16 : 2,319.72 = 1,138.32 : x
  2. Step 2: Convert to fraction form
    1,550.16/2,319.72 = 1,138.32/x
  3. Step 3: Cross multiply
    1,550.16x = 2,319.72 × 1,138.32
  4. Step 4: Simplify right side
    1,550.16x = 2,640,583.67
  5. Step 5: Solve for x
    x = 2,640,583.67/1,550.16
  6. Step 6: Final answer
    x = 1,703.43

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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.