Home / 3,018.13-4,527.15-826.90

Finding the Fourth Proportional to 3,018.13, 4,527.15 and 826.90

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Solution

The fourth proportional to 3,018.13, 4,527.15 and 826.90 is: 1,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.13 : 4,527.15 = 826.90 : x
  2. Step 2: Convert to fraction form
    3,018.13/4,527.15 = 826.90/x
  3. Step 3: Cross multiply
    3,018.13x = 4,527.15 × 826.90
  4. Step 4: Simplify right side
    3,018.13x = 3,743,500.34
  5. Step 5: Solve for x
    x = 3,743,500.34/3,018.13
  6. Step 6: Final answer
    x = 1,240.34

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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.