Home / 3,018.32-4,526.96-826.53

Finding the Fourth Proportional to 3,018.32, 4,526.96 and 826.53

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Solution

The fourth proportional to 3,018.32, 4,526.96 and 826.53 is: 1,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.32 : 4,526.96 = 826.53 : x
  2. Step 2: Convert to fraction form
    3,018.32/4,526.96 = 826.53/x
  3. Step 3: Cross multiply
    3,018.32x = 4,526.96 × 826.53
  4. Step 4: Simplify right side
    3,018.32x = 3,741,641.48
  5. Step 5: Solve for x
    x = 3,741,641.48/3,018.32
  6. Step 6: Final answer
    x = 1,239.64

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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.