Home / 3,119.08-4,648.22-3,029.13

Finding the Fourth Proportional to 3,119.08, 4,648.22 and 3,029.13

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Solution

The fourth proportional to 3,119.08, 4,648.22 and 3,029.13 is: 4,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.08 : 4,648.22 = 3,029.13 : x
  2. Step 2: Convert to fraction form
    3,119.08/4,648.22 = 3,029.13/x
  3. Step 3: Cross multiply
    3,119.08x = 4,648.22 × 3,029.13
  4. Step 4: Simplify right side
    3,119.08x = 14,080,062.65
  5. Step 5: Solve for x
    x = 14,080,062.65/3,119.08
  6. Step 6: Final answer
    x = 4,514.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.