Home / 3,065.07-4,233.68-2,665.95

Finding the Fourth Proportional to 3,065.07, 4,233.68 and 2,665.95

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Solution

The fourth proportional to 3,065.07, 4,233.68 and 2,665.95 is: 3,682.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.07 : 4,233.68 = 2,665.95 : x
  2. Step 2: Convert to fraction form
    3,065.07/4,233.68 = 2,665.95/x
  3. Step 3: Cross multiply
    3,065.07x = 4,233.68 × 2,665.95
  4. Step 4: Simplify right side
    3,065.07x = 11,286,779.20
  5. Step 5: Solve for x
    x = 11,286,779.20/3,065.07
  6. Step 6: Final answer
    x = 3,682.39

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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.