Home / 1,484.32-2,226.48-1,192.72

Finding the Fourth Proportional to 1,484.32, 2,226.48 and 1,192.72

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Solution

The fourth proportional to 1,484.32, 2,226.48 and 1,192.72 is: 1,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.32 : 2,226.48 = 1,192.72 : x
  2. Step 2: Convert to fraction form
    1,484.32/2,226.48 = 1,192.72/x
  3. Step 3: Cross multiply
    1,484.32x = 2,226.48 × 1,192.72
  4. Step 4: Simplify right side
    1,484.32x = 2,655,567.23
  5. Step 5: Solve for x
    x = 2,655,567.23/1,484.32
  6. Step 6: Final answer
    x = 1,789.08

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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.