Home / 2,262.24-3,393.45-618.78

Finding the Fourth Proportional to 2,262.24, 3,393.45 and 618.78

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Solution

The fourth proportional to 2,262.24, 3,393.45 and 618.78 is: 928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.24 : 3,393.45 = 618.78 : x
  2. Step 2: Convert to fraction form
    2,262.24/3,393.45 = 618.78/x
  3. Step 3: Cross multiply
    2,262.24x = 3,393.45 × 618.78
  4. Step 4: Simplify right side
    2,262.24x = 2,099,798.99
  5. Step 5: Solve for x
    x = 2,099,798.99/2,262.24
  6. Step 6: Final answer
    x = 928.19

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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.