Home / 2,378.38-3,558.81-1,437.97

Finding the Fourth Proportional to 2,378.38, 3,558.81 and 1,437.97

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Solution

The fourth proportional to 2,378.38, 3,558.81 and 1,437.97 is: 2,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.38 : 3,558.81 = 1,437.97 : x
  2. Step 2: Convert to fraction form
    2,378.38/3,558.81 = 1,437.97/x
  3. Step 3: Cross multiply
    2,378.38x = 3,558.81 × 1,437.97
  4. Step 4: Simplify right side
    2,378.38x = 5,117,462.02
  5. Step 5: Solve for x
    x = 5,117,462.02/2,378.38
  6. Step 6: Final answer
    x = 2,151.66

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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.