Home / 4,042.75-5,578.93-2,274.35

Finding the Fourth Proportional to 4,042.75, 5,578.93 and 2,274.35

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Solution

The fourth proportional to 4,042.75, 5,578.93 and 2,274.35 is: 3,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.75 : 5,578.93 = 2,274.35 : x
  2. Step 2: Convert to fraction form
    4,042.75/5,578.93 = 2,274.35/x
  3. Step 3: Cross multiply
    4,042.75x = 5,578.93 × 2,274.35
  4. Step 4: Simplify right side
    4,042.75x = 12,688,400.18
  5. Step 5: Solve for x
    x = 12,688,400.18/4,042.75
  6. Step 6: Final answer
    x = 3,138.56

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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.