Home / 3,144.61-4,339.73-1,800.28

Finding the Fourth Proportional to 3,144.61, 4,339.73 and 1,800.28

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Solution

The fourth proportional to 3,144.61, 4,339.73 and 1,800.28 is: 2,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.61 : 4,339.73 = 1,800.28 : x
  2. Step 2: Convert to fraction form
    3,144.61/4,339.73 = 1,800.28/x
  3. Step 3: Cross multiply
    3,144.61x = 4,339.73 × 1,800.28
  4. Step 4: Simplify right side
    3,144.61x = 7,812,709.27
  5. Step 5: Solve for x
    x = 7,812,709.27/3,144.61
  6. Step 6: Final answer
    x = 2,484.48

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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.