Home / 2,518.91-3,771.36-1,283.66

Finding the Fourth Proportional to 2,518.91, 3,771.36 and 1,283.66

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Solution

The fourth proportional to 2,518.91, 3,771.36 and 1,283.66 is: 1,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.91 : 3,771.36 = 1,283.66 : x
  2. Step 2: Convert to fraction form
    2,518.91/3,771.36 = 1,283.66/x
  3. Step 3: Cross multiply
    2,518.91x = 3,771.36 × 1,283.66
  4. Step 4: Simplify right side
    2,518.91x = 4,841,143.98
  5. Step 5: Solve for x
    x = 4,841,143.98/2,518.91
  6. Step 6: Final answer
    x = 1,921.92

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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.