Home / 3,042.09-4,200.39-2,377.76

Finding the Fourth Proportional to 3,042.09, 4,200.39 and 2,377.76

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Solution

The fourth proportional to 3,042.09, 4,200.39 and 2,377.76 is: 3,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.09 : 4,200.39 = 2,377.76 : x
  2. Step 2: Convert to fraction form
    3,042.09/4,200.39 = 2,377.76/x
  3. Step 3: Cross multiply
    3,042.09x = 4,200.39 × 2,377.76
  4. Step 4: Simplify right side
    3,042.09x = 9,987,498.32
  5. Step 5: Solve for x
    x = 9,987,498.32/3,042.09
  6. Step 6: Final answer
    x = 3,283.10

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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.