Home / 3,554.31-4,906.29-2,672.67

Finding the Fourth Proportional to 3,554.31, 4,906.29 and 2,672.67

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Solution

The fourth proportional to 3,554.31, 4,906.29 and 2,672.67 is: 3,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.31 : 4,906.29 = 2,672.67 : x
  2. Step 2: Convert to fraction form
    3,554.31/4,906.29 = 2,672.67/x
  3. Step 3: Cross multiply
    3,554.31x = 4,906.29 × 2,672.67
  4. Step 4: Simplify right side
    3,554.31x = 13,112,894.09
  5. Step 5: Solve for x
    x = 13,112,894.09/3,554.31
  6. Step 6: Final answer
    x = 3,689.29

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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.