Home / 3,777.32-5,212.46-2,098.74

Finding the Fourth Proportional to 3,777.32, 5,212.46 and 2,098.74

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Solution

The fourth proportional to 3,777.32, 5,212.46 and 2,098.74 is: 2,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.32 : 5,212.46 = 2,098.74 : x
  2. Step 2: Convert to fraction form
    3,777.32/5,212.46 = 2,098.74/x
  3. Step 3: Cross multiply
    3,777.32x = 5,212.46 × 2,098.74
  4. Step 4: Simplify right side
    3,777.32x = 10,939,598.30
  5. Step 5: Solve for x
    x = 10,939,598.30/3,777.32
  6. Step 6: Final answer
    x = 2,896.13

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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.