Home / 3,042.10-4,198.13-1,783.19

Finding the Fourth Proportional to 3,042.10, 4,198.13 and 1,783.19

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Solution

The fourth proportional to 3,042.10, 4,198.13 and 1,783.19 is: 2,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.10 : 4,198.13 = 1,783.19 : x
  2. Step 2: Convert to fraction form
    3,042.10/4,198.13 = 1,783.19/x
  3. Step 3: Cross multiply
    3,042.10x = 4,198.13 × 1,783.19
  4. Step 4: Simplify right side
    3,042.10x = 7,486,054.52
  5. Step 5: Solve for x
    x = 7,486,054.52/3,042.10
  6. Step 6: Final answer
    x = 2,460.82

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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.