Home / 3,144.15-4,339.44-1,817.91

Finding the Fourth Proportional to 3,144.15, 4,339.44 and 1,817.91

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Solution

The fourth proportional to 3,144.15, 4,339.44 and 1,817.91 is: 2,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.15 : 4,339.44 = 1,817.91 : x
  2. Step 2: Convert to fraction form
    3,144.15/4,339.44 = 1,817.91/x
  3. Step 3: Cross multiply
    3,144.15x = 4,339.44 × 1,817.91
  4. Step 4: Simplify right side
    3,144.15x = 7,888,711.37
  5. Step 5: Solve for x
    x = 7,888,711.37/3,144.15
  6. Step 6: Final answer
    x = 2,509.01

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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.