Home / 2,153.45-3,226.05-1,456.69

Finding the Fourth Proportional to 2,153.45, 3,226.05 and 1,456.69

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Solution

The fourth proportional to 2,153.45, 3,226.05 and 1,456.69 is: 2,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.45 : 3,226.05 = 1,456.69 : x
  2. Step 2: Convert to fraction form
    2,153.45/3,226.05 = 1,456.69/x
  3. Step 3: Cross multiply
    2,153.45x = 3,226.05 × 1,456.69
  4. Step 4: Simplify right side
    2,153.45x = 4,699,354.77
  5. Step 5: Solve for x
    x = 4,699,354.77/2,153.45
  6. Step 6: Final answer
    x = 2,182.24

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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.