Home / 1,916.45-2,645.97-1,473.56

Finding the Fourth Proportional to 1,916.45, 2,645.97 and 1,473.56

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Solution

The fourth proportional to 1,916.45, 2,645.97 and 1,473.56 is: 2,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.45 : 2,645.97 = 1,473.56 : x
  2. Step 2: Convert to fraction form
    1,916.45/2,645.97 = 1,473.56/x
  3. Step 3: Cross multiply
    1,916.45x = 2,645.97 × 1,473.56
  4. Step 4: Simplify right side
    1,916.45x = 3,898,995.55
  5. Step 5: Solve for x
    x = 3,898,995.55/1,916.45
  6. Step 6: Final answer
    x = 2,034.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.