Home / 3,702.37-5,555.09-1,621.30

Finding the Fourth Proportional to 3,702.37, 5,555.09 and 1,621.30

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Solution

The fourth proportional to 3,702.37, 5,555.09 and 1,621.30 is: 2,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.37 : 5,555.09 = 1,621.30 : x
  2. Step 2: Convert to fraction form
    3,702.37/5,555.09 = 1,621.30/x
  3. Step 3: Cross multiply
    3,702.37x = 5,555.09 × 1,621.30
  4. Step 4: Simplify right side
    3,702.37x = 9,006,467.42
  5. Step 5: Solve for x
    x = 9,006,467.42/3,702.37
  6. Step 6: Final answer
    x = 2,432.62

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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.