Home / 3,589.30-5,384.27-1,280.82

Finding the Fourth Proportional to 3,589.30, 5,384.27 and 1,280.82

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Solution

The fourth proportional to 3,589.30, 5,384.27 and 1,280.82 is: 1,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.30 : 5,384.27 = 1,280.82 : x
  2. Step 2: Convert to fraction form
    3,589.30/5,384.27 = 1,280.82/x
  3. Step 3: Cross multiply
    3,589.30x = 5,384.27 × 1,280.82
  4. Step 4: Simplify right side
    3,589.30x = 6,896,280.70
  5. Step 5: Solve for x
    x = 6,896,280.70/3,589.30
  6. Step 6: Final answer
    x = 1,921.34

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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.