Home / 1,226.23-1,829.30-1,192.75

Finding the Fourth Proportional to 1,226.23, 1,829.30 and 1,192.75

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Solution

The fourth proportional to 1,226.23, 1,829.30 and 1,192.75 is: 1,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.23 : 1,829.30 = 1,192.75 : x
  2. Step 2: Convert to fraction form
    1,226.23/1,829.30 = 1,192.75/x
  3. Step 3: Cross multiply
    1,226.23x = 1,829.30 × 1,192.75
  4. Step 4: Simplify right side
    1,226.23x = 2,181,887.04
  5. Step 5: Solve for x
    x = 2,181,887.04/1,226.23
  6. Step 6: Final answer
    x = 1,779.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.