Home / 1,916.45-2,644.73-1,497.29

Finding the Fourth Proportional to 1,916.45, 2,644.73 and 1,497.29

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Solution

The fourth proportional to 1,916.45, 2,644.73 and 1,497.29 is: 2,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.45 : 2,644.73 = 1,497.29 : x
  2. Step 2: Convert to fraction form
    1,916.45/2,644.73 = 1,497.29/x
  3. Step 3: Cross multiply
    1,916.45x = 2,644.73 × 1,497.29
  4. Step 4: Simplify right side
    1,916.45x = 3,959,918.30
  5. Step 5: Solve for x
    x = 3,959,918.30/1,916.45
  6. Step 6: Final answer
    x = 2,066.28

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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.