Home / 3,514.84-5,259.48-2,123.08

Finding the Fourth Proportional to 3,514.84, 5,259.48 and 2,123.08

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Solution

The fourth proportional to 3,514.84, 5,259.48 and 2,123.08 is: 3,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.84 : 5,259.48 = 2,123.08 : x
  2. Step 2: Convert to fraction form
    3,514.84/5,259.48 = 2,123.08/x
  3. Step 3: Cross multiply
    3,514.84x = 5,259.48 × 2,123.08
  4. Step 4: Simplify right side
    3,514.84x = 11,166,296.80
  5. Step 5: Solve for x
    x = 11,166,296.80/3,514.84
  6. Step 6: Final answer
    x = 3,176.90

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1.5x scale

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.