Home / 2,518.62-3,777.93-1,131.66

Finding the Fourth Proportional to 2,518.62, 3,777.93 and 1,131.66

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Solution

The fourth proportional to 2,518.62, 3,777.93 and 1,131.66 is: 1,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.62 : 3,777.93 = 1,131.66 : x
  2. Step 2: Convert to fraction form
    2,518.62/3,777.93 = 1,131.66/x
  3. Step 3: Cross multiply
    2,518.62x = 3,777.93 × 1,131.66
  4. Step 4: Simplify right side
    2,518.62x = 4,275,332.26
  5. Step 5: Solve for x
    x = 4,275,332.26/2,518.62
  6. Step 6: Final answer
    x = 1,697.49

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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.