Home / 4,042.90-5,579.31-2,274.67

Finding the Fourth Proportional to 4,042.90, 5,579.31 and 2,274.67

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Solution

The fourth proportional to 4,042.90, 5,579.31 and 2,274.67 is: 3,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.90 : 5,579.31 = 2,274.67 : x
  2. Step 2: Convert to fraction form
    4,042.90/5,579.31 = 2,274.67/x
  3. Step 3: Cross multiply
    4,042.90x = 5,579.31 × 2,274.67
  4. Step 4: Simplify right side
    4,042.90x = 12,691,089.08
  5. Step 5: Solve for x
    x = 12,691,089.08/4,042.90
  6. Step 6: Final answer
    x = 3,139.11

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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.