Home / 3,715.40-5,127.77-2,299.54

Finding the Fourth Proportional to 3,715.40, 5,127.77 and 2,299.54

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Solution

The fourth proportional to 3,715.40, 5,127.77 and 2,299.54 is: 3,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.40 : 5,127.77 = 2,299.54 : x
  2. Step 2: Convert to fraction form
    3,715.40/5,127.77 = 2,299.54/x
  3. Step 3: Cross multiply
    3,715.40x = 5,127.77 × 2,299.54
  4. Step 4: Simplify right side
    3,715.40x = 11,791,480.84
  5. Step 5: Solve for x
    x = 11,791,480.84/3,715.40
  6. Step 6: Final answer
    x = 3,173.68

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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.