Home / 3,012.28-4,154.70-2,018.68

Finding the Fourth Proportional to 3,012.28, 4,154.70 and 2,018.68

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Solution

The fourth proportional to 3,012.28, 4,154.70 and 2,018.68 is: 2,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.28 : 4,154.70 = 2,018.68 : x
  2. Step 2: Convert to fraction form
    3,012.28/4,154.70 = 2,018.68/x
  3. Step 3: Cross multiply
    3,012.28x = 4,154.70 × 2,018.68
  4. Step 4: Simplify right side
    3,012.28x = 8,387,009.80
  5. Step 5: Solve for x
    x = 8,387,009.80/3,012.28
  6. Step 6: Final answer
    x = 2,784.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.