Home / 3,010.16-4,514.59-818.91

Finding the Fourth Proportional to 3,010.16, 4,514.59 and 818.91

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Solution

The fourth proportional to 3,010.16, 4,514.59 and 818.91 is: 1,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.16 : 4,514.59 = 818.91 : x
  2. Step 2: Convert to fraction form
    3,010.16/4,514.59 = 818.91/x
  3. Step 3: Cross multiply
    3,010.16x = 4,514.59 × 818.91
  4. Step 4: Simplify right side
    3,010.16x = 3,697,042.90
  5. Step 5: Solve for x
    x = 3,697,042.90/3,010.16
  6. Step 6: Final answer
    x = 1,228.19

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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.