Home / 3,144.03-4,339.14-1,818.06

Finding the Fourth Proportional to 3,144.03, 4,339.14 and 1,818.06

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Solution

The fourth proportional to 3,144.03, 4,339.14 and 1,818.06 is: 2,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.03 : 4,339.14 = 1,818.06 : x
  2. Step 2: Convert to fraction form
    3,144.03/4,339.14 = 1,818.06/x
  3. Step 3: Cross multiply
    3,144.03x = 4,339.14 × 1,818.06
  4. Step 4: Simplify right side
    3,144.03x = 7,888,816.87
  5. Step 5: Solve for x
    x = 7,888,816.87/3,144.03
  6. Step 6: Final answer
    x = 2,509.14

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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.