Home / 2,550.24-3,518.66-1,555.46

Finding the Fourth Proportional to 2,550.24, 3,518.66 and 1,555.46

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Solution

The fourth proportional to 2,550.24, 3,518.66 and 1,555.46 is: 2,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.24 : 3,518.66 = 1,555.46 : x
  2. Step 2: Convert to fraction form
    2,550.24/3,518.66 = 1,555.46/x
  3. Step 3: Cross multiply
    2,550.24x = 3,518.66 × 1,555.46
  4. Step 4: Simplify right side
    2,550.24x = 5,473,125.62
  5. Step 5: Solve for x
    x = 5,473,125.62/2,550.24
  6. Step 6: Final answer
    x = 2,146.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.