Home / 2,901.50-4,348.60-2,081.38

Finding the Fourth Proportional to 2,901.50, 4,348.60 and 2,081.38

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Solution

The fourth proportional to 2,901.50, 4,348.60 and 2,081.38 is: 3,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.50 : 4,348.60 = 2,081.38 : x
  2. Step 2: Convert to fraction form
    2,901.50/4,348.60 = 2,081.38/x
  3. Step 3: Cross multiply
    2,901.50x = 4,348.60 × 2,081.38
  4. Step 4: Simplify right side
    2,901.50x = 9,051,089.07
  5. Step 5: Solve for x
    x = 9,051,089.07/2,901.50
  6. Step 6: Final answer
    x = 3,119.45

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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.