Home / 3,144.04-4,339.84-1,818.28

Finding the Fourth Proportional to 3,144.04, 4,339.84 and 1,818.28

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Solution

The fourth proportional to 3,144.04, 4,339.84 and 1,818.28 is: 2,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.04 : 4,339.84 = 1,818.28 : x
  2. Step 2: Convert to fraction form
    3,144.04/4,339.84 = 1,818.28/x
  3. Step 3: Cross multiply
    3,144.04x = 4,339.84 × 1,818.28
  4. Step 4: Simplify right side
    3,144.04x = 7,891,044.28
  5. Step 5: Solve for x
    x = 7,891,044.28/3,144.04
  6. Step 6: Final answer
    x = 2,509.84

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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.