Home / 2,625.16-3,621.12-1,562.21

Finding the Fourth Proportional to 2,625.16, 3,621.12 and 1,562.21

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Solution

The fourth proportional to 2,625.16, 3,621.12 and 1,562.21 is: 2,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.16 : 3,621.12 = 1,562.21 : x
  2. Step 2: Convert to fraction form
    2,625.16/3,621.12 = 1,562.21/x
  3. Step 3: Cross multiply
    2,625.16x = 3,621.12 × 1,562.21
  4. Step 4: Simplify right side
    2,625.16x = 5,656,951.87
  5. Step 5: Solve for x
    x = 5,656,951.87/2,625.16
  6. Step 6: Final answer
    x = 2,154.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.