Home / 2,617.08-3,611.57-1,422.07

Finding the Fourth Proportional to 2,617.08, 3,611.57 and 1,422.07

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Solution

The fourth proportional to 2,617.08, 3,611.57 and 1,422.07 is: 1,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.08 : 3,611.57 = 1,422.07 : x
  2. Step 2: Convert to fraction form
    2,617.08/3,611.57 = 1,422.07/x
  3. Step 3: Cross multiply
    2,617.08x = 3,611.57 × 1,422.07
  4. Step 4: Simplify right side
    2,617.08x = 5,135,905.35
  5. Step 5: Solve for x
    x = 5,135,905.35/2,617.08
  6. Step 6: Final answer
    x = 1,962.46

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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.