Home / 3,623.85-5,435.77-1,026.78

Finding the Fourth Proportional to 3,623.85, 5,435.77 and 1,026.78

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Solution

The fourth proportional to 3,623.85, 5,435.77 and 1,026.78 is: 1,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.85 : 5,435.77 = 1,026.78 : x
  2. Step 2: Convert to fraction form
    3,623.85/5,435.77 = 1,026.78/x
  3. Step 3: Cross multiply
    3,623.85x = 5,435.77 × 1,026.78
  4. Step 4: Simplify right side
    3,623.85x = 5,581,339.92
  5. Step 5: Solve for x
    x = 5,581,339.92/3,623.85
  6. Step 6: Final answer
    x = 1,540.17

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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.