Home / 3,179.94-4,386.51-1,853.49

Finding the Fourth Proportional to 3,179.94, 4,386.51 and 1,853.49

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Solution

The fourth proportional to 3,179.94, 4,386.51 and 1,853.49 is: 2,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.94 : 4,386.51 = 1,853.49 : x
  2. Step 2: Convert to fraction form
    3,179.94/4,386.51 = 1,853.49/x
  3. Step 3: Cross multiply
    3,179.94x = 4,386.51 × 1,853.49
  4. Step 4: Simplify right side
    3,179.94x = 8,130,352.42
  5. Step 5: Solve for x
    x = 8,130,352.42/3,179.94
  6. Step 6: Final answer
    x = 2,556.76

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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.