Home / 3,736.40-5,156.28-2,057.81

Finding the Fourth Proportional to 3,736.40, 5,156.28 and 2,057.81

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Solution

The fourth proportional to 3,736.40, 5,156.28 and 2,057.81 is: 2,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.40 : 5,156.28 = 2,057.81 : x
  2. Step 2: Convert to fraction form
    3,736.40/5,156.28 = 2,057.81/x
  3. Step 3: Cross multiply
    3,736.40x = 5,156.28 × 2,057.81
  4. Step 4: Simplify right side
    3,736.40x = 10,610,624.55
  5. Step 5: Solve for x
    x = 10,610,624.55/3,736.40
  6. Step 6: Final answer
    x = 2,839.80

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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.