Home / 3,718.01-5,131.18-2,039.74

Finding the Fourth Proportional to 3,718.01, 5,131.18 and 2,039.74

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Solution

The fourth proportional to 3,718.01, 5,131.18 and 2,039.74 is: 2,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.01 : 5,131.18 = 2,039.74 : x
  2. Step 2: Convert to fraction form
    3,718.01/5,131.18 = 2,039.74/x
  3. Step 3: Cross multiply
    3,718.01x = 5,131.18 × 2,039.74
  4. Step 4: Simplify right side
    3,718.01x = 10,466,260.96
  5. Step 5: Solve for x
    x = 10,466,260.96/3,718.01
  6. Step 6: Final answer
    x = 2,815.02

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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.