Home / 3,621.48-5,432.22-1,569

Finding the Fourth Proportional to 3,621.48, 5,432.22 and 1,569

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Solution

The fourth proportional to 3,621.48, 5,432.22 and 1,569 is: 2,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.48 : 5,432.22 = 1,569 : x
  2. Step 2: Convert to fraction form
    3,621.48/5,432.22 = 1,569/x
  3. Step 3: Cross multiply
    3,621.48x = 5,432.22 × 1,569
  4. Step 4: Simplify right side
    3,621.48x = 8,523,153.18
  5. Step 5: Solve for x
    x = 8,523,153.18/3,621.48
  6. Step 6: Final answer
    x = 2,353.50

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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.