Home / 2,810.29-3,879.87-2,498.93

Finding the Fourth Proportional to 2,810.29, 3,879.87 and 2,498.93

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Solution

The fourth proportional to 2,810.29, 3,879.87 and 2,498.93 is: 3,450.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.29 : 3,879.87 = 2,498.93 : x
  2. Step 2: Convert to fraction form
    2,810.29/3,879.87 = 2,498.93/x
  3. Step 3: Cross multiply
    2,810.29x = 3,879.87 × 2,498.93
  4. Step 4: Simplify right side
    2,810.29x = 9,695,523.54
  5. Step 5: Solve for x
    x = 9,695,523.54/2,810.29
  6. Step 6: Final answer
    x = 3,450.01

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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.