Home / 1,459.72-2,193.06-1,221.52

Finding the Fourth Proportional to 1,459.72, 2,193.06 and 1,221.52

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Solution

The fourth proportional to 1,459.72, 2,193.06 and 1,221.52 is: 1,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.72 : 2,193.06 = 1,221.52 : x
  2. Step 2: Convert to fraction form
    1,459.72/2,193.06 = 1,221.52/x
  3. Step 3: Cross multiply
    1,459.72x = 2,193.06 × 1,221.52
  4. Step 4: Simplify right side
    1,459.72x = 2,678,866.65
  5. Step 5: Solve for x
    x = 2,678,866.65/1,459.72
  6. Step 6: Final answer
    x = 1,835.19

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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.