Home / 2,285.13-3,428.01-2,148.42

Finding the Fourth Proportional to 2,285.13, 3,428.01 and 2,148.42

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Solution

The fourth proportional to 2,285.13, 3,428.01 and 2,148.42 is: 3,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.13 : 3,428.01 = 2,148.42 : x
  2. Step 2: Convert to fraction form
    2,285.13/3,428.01 = 2,148.42/x
  3. Step 3: Cross multiply
    2,285.13x = 3,428.01 × 2,148.42
  4. Step 4: Simplify right side
    2,285.13x = 7,364,805.24
  5. Step 5: Solve for x
    x = 7,364,805.24/2,285.13
  6. Step 6: Final answer
    x = 3,222.93

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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.