Home / 1,457.22-2,182.37-798.11

Finding the Fourth Proportional to 1,457.22, 2,182.37 and 798.11

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Solution

The fourth proportional to 1,457.22, 2,182.37 and 798.11 is: 1,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.22 : 2,182.37 = 798.11 : x
  2. Step 2: Convert to fraction form
    1,457.22/2,182.37 = 798.11/x
  3. Step 3: Cross multiply
    1,457.22x = 2,182.37 × 798.11
  4. Step 4: Simplify right side
    1,457.22x = 1,741,772.79
  5. Step 5: Solve for x
    x = 1,741,772.79/1,457.22
  6. Step 6: Final answer
    x = 1,195.27

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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.