Home / 3,144.52-4,339.14-1,818.28

Finding the Fourth Proportional to 3,144.52, 4,339.14 and 1,818.28

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Solution

The fourth proportional to 3,144.52, 4,339.14 and 1,818.28 is: 2,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.52 : 4,339.14 = 1,818.28 : x
  2. Step 2: Convert to fraction form
    3,144.52/4,339.14 = 1,818.28/x
  3. Step 3: Cross multiply
    3,144.52x = 4,339.14 × 1,818.28
  4. Step 4: Simplify right side
    3,144.52x = 7,889,771.48
  5. Step 5: Solve for x
    x = 7,889,771.48/3,144.52
  6. Step 6: Final answer
    x = 2,509.05

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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.