Home / 3,699.77-5,550.32-1,234.35

Finding the Fourth Proportional to 3,699.77, 5,550.32 and 1,234.35

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Solution

The fourth proportional to 3,699.77, 5,550.32 and 1,234.35 is: 1,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.77 : 5,550.32 = 1,234.35 : x
  2. Step 2: Convert to fraction form
    3,699.77/5,550.32 = 1,234.35/x
  3. Step 3: Cross multiply
    3,699.77x = 5,550.32 × 1,234.35
  4. Step 4: Simplify right side
    3,699.77x = 6,851,040.58
  5. Step 5: Solve for x
    x = 6,851,040.58/3,699.77
  6. Step 6: Final answer
    x = 1,851.75

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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.