Home / 3,029.78-4,180.74-1,703.41

Finding the Fourth Proportional to 3,029.78, 4,180.74 and 1,703.41

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Solution

The fourth proportional to 3,029.78, 4,180.74 and 1,703.41 is: 2,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.78 : 4,180.74 = 1,703.41 : x
  2. Step 2: Convert to fraction form
    3,029.78/4,180.74 = 1,703.41/x
  3. Step 3: Cross multiply
    3,029.78x = 4,180.74 × 1,703.41
  4. Step 4: Simplify right side
    3,029.78x = 7,121,514.32
  5. Step 5: Solve for x
    x = 7,121,514.32/3,029.78
  6. Step 6: Final answer
    x = 2,350.51

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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.