Home / 3,514.36-4,849.67-1,920.98

Finding the Fourth Proportional to 3,514.36, 4,849.67 and 1,920.98

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Solution

The fourth proportional to 3,514.36, 4,849.67 and 1,920.98 is: 2,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.36 : 4,849.67 = 1,920.98 : x
  2. Step 2: Convert to fraction form
    3,514.36/4,849.67 = 1,920.98/x
  3. Step 3: Cross multiply
    3,514.36x = 4,849.67 × 1,920.98
  4. Step 4: Simplify right side
    3,514.36x = 9,316,136.00
  5. Step 5: Solve for x
    x = 9,316,136.00/3,514.36
  6. Step 6: Final answer
    x = 2,650.87

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1.5x scale

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.