Home / 3,117.51-4,676.27-2,927.43

Finding the Fourth Proportional to 3,117.51, 4,676.27 and 2,927.43

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Solution

The fourth proportional to 3,117.51, 4,676.27 and 2,927.43 is: 4,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.51 : 4,676.27 = 2,927.43 : x
  2. Step 2: Convert to fraction form
    3,117.51/4,676.27 = 2,927.43/x
  3. Step 3: Cross multiply
    3,117.51x = 4,676.27 × 2,927.43
  4. Step 4: Simplify right side
    3,117.51x = 13,689,438.45
  5. Step 5: Solve for x
    x = 13,689,438.45/3,117.51
  6. Step 6: Final answer
    x = 4,391.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.