Home / 3,454.76-5,183.66-1,810.91

Finding the Fourth Proportional to 3,454.76, 5,183.66 and 1,810.91

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Solution

The fourth proportional to 3,454.76, 5,183.66 and 1,810.91 is: 2,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.76 : 5,183.66 = 1,810.91 : x
  2. Step 2: Convert to fraction form
    3,454.76/5,183.66 = 1,810.91/x
  3. Step 3: Cross multiply
    3,454.76x = 5,183.66 × 1,810.91
  4. Step 4: Simplify right side
    3,454.76x = 9,387,159.22
  5. Step 5: Solve for x
    x = 9,387,159.22/3,454.76
  6. Step 6: Final answer
    x = 2,717.17

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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.