Home / 2,018.26-3,026.56-631.14

Finding the Fourth Proportional to 2,018.26, 3,026.56 and 631.14

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Solution

The fourth proportional to 2,018.26, 3,026.56 and 631.14 is: 946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.26 : 3,026.56 = 631.14 : x
  2. Step 2: Convert to fraction form
    2,018.26/3,026.56 = 631.14/x
  3. Step 3: Cross multiply
    2,018.26x = 3,026.56 × 631.14
  4. Step 4: Simplify right side
    2,018.26x = 1,910,183.08
  5. Step 5: Solve for x
    x = 1,910,183.08/2,018.26
  6. Step 6: Final answer
    x = 946.45

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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.