Home / 2,506.12-3,457.28-1,622.20

Finding the Fourth Proportional to 2,506.12, 3,457.28 and 1,622.20

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Solution

The fourth proportional to 2,506.12, 3,457.28 and 1,622.20 is: 2,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.12 : 3,457.28 = 1,622.20 : x
  2. Step 2: Convert to fraction form
    2,506.12/3,457.28 = 1,622.20/x
  3. Step 3: Cross multiply
    2,506.12x = 3,457.28 × 1,622.20
  4. Step 4: Simplify right side
    2,506.12x = 5,608,399.62
  5. Step 5: Solve for x
    x = 5,608,399.62/2,506.12
  6. Step 6: Final answer
    x = 2,237.88

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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.