Home / 2,927.88-4,032.27-2,918.76

Finding the Fourth Proportional to 2,927.88, 4,032.27 and 2,918.76

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Solution

The fourth proportional to 2,927.88, 4,032.27 and 2,918.76 is: 4,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.88 : 4,032.27 = 2,918.76 : x
  2. Step 2: Convert to fraction form
    2,927.88/4,032.27 = 2,918.76/x
  3. Step 3: Cross multiply
    2,927.88x = 4,032.27 × 2,918.76
  4. Step 4: Simplify right side
    2,927.88x = 11,769,228.39
  5. Step 5: Solve for x
    x = 11,769,228.39/2,927.88
  6. Step 6: Final answer
    x = 4,019.71

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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.