Home / 1,908.46-2,638.98-1,514.80

Finding the Fourth Proportional to 1,908.46, 2,638.98 and 1,514.80

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Solution

The fourth proportional to 1,908.46, 2,638.98 and 1,514.80 is: 2,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.46 : 2,638.98 = 1,514.80 : x
  2. Step 2: Convert to fraction form
    1,908.46/2,638.98 = 1,514.80/x
  3. Step 3: Cross multiply
    1,908.46x = 2,638.98 × 1,514.80
  4. Step 4: Simplify right side
    1,908.46x = 3,997,530.20
  5. Step 5: Solve for x
    x = 3,997,530.20/1,908.46
  6. Step 6: Final answer
    x = 2,094.64

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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.