Home / 2,758.18-3,813.78-2,713.68

Finding the Fourth Proportional to 2,758.18, 3,813.78 and 2,713.68

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Solution

The fourth proportional to 2,758.18, 3,813.78 and 2,713.68 is: 3,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.18 : 3,813.78 = 2,713.68 : x
  2. Step 2: Convert to fraction form
    2,758.18/3,813.78 = 2,713.68/x
  3. Step 3: Cross multiply
    2,758.18x = 3,813.78 × 2,713.68
  4. Step 4: Simplify right side
    2,758.18x = 10,349,378.51
  5. Step 5: Solve for x
    x = 10,349,378.51/2,758.18
  6. Step 6: Final answer
    x = 3,752.25

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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.