Home / 3,144.08-4,339.37-1,818.59

Finding the Fourth Proportional to 3,144.08, 4,339.37 and 1,818.59

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Solution

The fourth proportional to 3,144.08, 4,339.37 and 1,818.59 is: 2,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.08 : 4,339.37 = 1,818.59 : x
  2. Step 2: Convert to fraction form
    3,144.08/4,339.37 = 1,818.59/x
  3. Step 3: Cross multiply
    3,144.08x = 4,339.37 × 1,818.59
  4. Step 4: Simplify right side
    3,144.08x = 7,891,525.80
  5. Step 5: Solve for x
    x = 7,891,525.80/3,144.08
  6. Step 6: Final answer
    x = 2,509.96

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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.