Home / 3,621.71-5,432.57-2,895.89

Finding the Fourth Proportional to 3,621.71, 5,432.57 and 2,895.89

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Solution

The fourth proportional to 3,621.71, 5,432.57 and 2,895.89 is: 4,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.71 : 5,432.57 = 2,895.89 : x
  2. Step 2: Convert to fraction form
    3,621.71/5,432.57 = 2,895.89/x
  3. Step 3: Cross multiply
    3,621.71x = 5,432.57 × 2,895.89
  4. Step 4: Simplify right side
    3,621.71x = 15,732,094.35
  5. Step 5: Solve for x
    x = 15,732,094.35/3,621.71
  6. Step 6: Final answer
    x = 4,343.83

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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.