Home / 3,926.07-5,417.97-2,133.51

Finding the Fourth Proportional to 3,926.07, 5,417.97 and 2,133.51

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Solution

The fourth proportional to 3,926.07, 5,417.97 and 2,133.51 is: 2,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.07 : 5,417.97 = 2,133.51 : x
  2. Step 2: Convert to fraction form
    3,926.07/5,417.97 = 2,133.51/x
  3. Step 3: Cross multiply
    3,926.07x = 5,417.97 × 2,133.51
  4. Step 4: Simplify right side
    3,926.07x = 11,559,293.17
  5. Step 5: Solve for x
    x = 11,559,293.17/3,926.07
  6. Step 6: Final answer
    x = 2,944.24

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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.