Home / 3,018.13-4,540.16-2,590.45

Finding the Fourth Proportional to 3,018.13, 4,540.16 and 2,590.45

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Solution

The fourth proportional to 3,018.13, 4,540.16 and 2,590.45 is: 3,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.13 : 4,540.16 = 2,590.45 : x
  2. Step 2: Convert to fraction form
    3,018.13/4,540.16 = 2,590.45/x
  3. Step 3: Cross multiply
    3,018.13x = 4,540.16 × 2,590.45
  4. Step 4: Simplify right side
    3,018.13x = 11,761,057.47
  5. Step 5: Solve for x
    x = 11,761,057.47/3,018.13
  6. Step 6: Final answer
    x = 3,896.80

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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.