Home / 4,139.76-5,710.86-2,568.36

Finding the Fourth Proportional to 4,139.76, 5,710.86 and 2,568.36

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Solution

The fourth proportional to 4,139.76, 5,710.86 and 2,568.36 is: 3,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.76 : 5,710.86 = 2,568.36 : x
  2. Step 2: Convert to fraction form
    4,139.76/5,710.86 = 2,568.36/x
  3. Step 3: Cross multiply
    4,139.76x = 5,710.86 × 2,568.36
  4. Step 4: Simplify right side
    4,139.76x = 14,667,544.39
  5. Step 5: Solve for x
    x = 14,667,544.39/4,139.76
  6. Step 6: Final answer
    x = 3,543.09

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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.