Home / 1,916.97-2,874.54-1,038.07

Finding the Fourth Proportional to 1,916.97, 2,874.54 and 1,038.07

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Solution

The fourth proportional to 1,916.97, 2,874.54 and 1,038.07 is: 1,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.97 : 2,874.54 = 1,038.07 : x
  2. Step 2: Convert to fraction form
    1,916.97/2,874.54 = 1,038.07/x
  3. Step 3: Cross multiply
    1,916.97x = 2,874.54 × 1,038.07
  4. Step 4: Simplify right side
    1,916.97x = 2,983,959.22
  5. Step 5: Solve for x
    x = 2,983,959.22/1,916.97
  6. Step 6: Final answer
    x = 1,556.60

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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.