Home / 3,621.34-5,432.01-1,889.56

Finding the Fourth Proportional to 3,621.34, 5,432.01 and 1,889.56

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Solution

The fourth proportional to 3,621.34, 5,432.01 and 1,889.56 is: 2,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.34 : 5,432.01 = 1,889.56 : x
  2. Step 2: Convert to fraction form
    3,621.34/5,432.01 = 1,889.56/x
  3. Step 3: Cross multiply
    3,621.34x = 5,432.01 × 1,889.56
  4. Step 4: Simplify right side
    3,621.34x = 10,264,108.82
  5. Step 5: Solve for x
    x = 10,264,108.82/3,621.34
  6. Step 6: Final answer
    x = 2,834.34

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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.