Home / 3,623.48-5,435.22-1,571

Finding the Fourth Proportional to 3,623.48, 5,435.22 and 1,571

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Solution

The fourth proportional to 3,623.48, 5,435.22 and 1,571 is: 2,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.48 : 5,435.22 = 1,571 : x
  2. Step 2: Convert to fraction form
    3,623.48/5,435.22 = 1,571/x
  3. Step 3: Cross multiply
    3,623.48x = 5,435.22 × 1,571
  4. Step 4: Simplify right side
    3,623.48x = 8,538,730.62
  5. Step 5: Solve for x
    x = 8,538,730.62/3,623.48
  6. Step 6: Final answer
    x = 2,356.50

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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.