Home / 3,039.91-4,555-2,748.31

Finding the Fourth Proportional to 3,039.91, 4,555 and 2,748.31

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Solution

The fourth proportional to 3,039.91, 4,555 and 2,748.31 is: 4,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.91 : 4,555 = 2,748.31 : x
  2. Step 2: Convert to fraction form
    3,039.91/4,555 = 2,748.31/x
  3. Step 3: Cross multiply
    3,039.91x = 4,555 × 2,748.31
  4. Step 4: Simplify right side
    3,039.91x = 12,518,552.05
  5. Step 5: Solve for x
    x = 12,518,552.05/3,039.91
  6. Step 6: Final answer
    x = 4,118.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.