Home / 3,303.28-4,556.13-2,805.13

Finding the Fourth Proportional to 3,303.28, 4,556.13 and 2,805.13

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Solution

The fourth proportional to 3,303.28, 4,556.13 and 2,805.13 is: 3,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.28 : 4,556.13 = 2,805.13 : x
  2. Step 2: Convert to fraction form
    3,303.28/4,556.13 = 2,805.13/x
  3. Step 3: Cross multiply
    3,303.28x = 4,556.13 × 2,805.13
  4. Step 4: Simplify right side
    3,303.28x = 12,780,514.17
  5. Step 5: Solve for x
    x = 12,780,514.17/3,303.28
  6. Step 6: Final answer
    x = 3,869.04

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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.