Home / 2,613.09-3,590.73-2,088.21

Finding the Fourth Proportional to 2,613.09, 3,590.73 and 2,088.21

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Solution

The fourth proportional to 2,613.09, 3,590.73 and 2,088.21 is: 2,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.09 : 3,590.73 = 2,088.21 : x
  2. Step 2: Convert to fraction form
    2,613.09/3,590.73 = 2,088.21/x
  3. Step 3: Cross multiply
    2,613.09x = 3,590.73 × 2,088.21
  4. Step 4: Simplify right side
    2,613.09x = 7,498,198.29
  5. Step 5: Solve for x
    x = 7,498,198.29/2,613.09
  6. Step 6: Final answer
    x = 2,869.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.