Home / 1,915.74-2,876.82-1,674.36

Finding the Fourth Proportional to 1,915.74, 2,876.82 and 1,674.36

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Solution

The fourth proportional to 1,915.74, 2,876.82 and 1,674.36 is: 2,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915.74 : 2,876.82 = 1,674.36 : x
  2. Step 2: Convert to fraction form
    1,915.74/2,876.82 = 1,674.36/x
  3. Step 3: Cross multiply
    1,915.74x = 2,876.82 × 1,674.36
  4. Step 4: Simplify right side
    1,915.74x = 4,816,832.34
  5. Step 5: Solve for x
    x = 4,816,832.34/1,915.74
  6. Step 6: Final answer
    x = 2,514.35

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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.