Home / 3,315.10-4,965.45-2,950.30

Finding the Fourth Proportional to 3,315.10, 4,965.45 and 2,950.30

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Solution

The fourth proportional to 3,315.10, 4,965.45 and 2,950.30 is: 4,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.10 : 4,965.45 = 2,950.30 : x
  2. Step 2: Convert to fraction form
    3,315.10/4,965.45 = 2,950.30/x
  3. Step 3: Cross multiply
    3,315.10x = 4,965.45 × 2,950.30
  4. Step 4: Simplify right side
    3,315.10x = 14,649,567.14
  5. Step 5: Solve for x
    x = 14,649,567.14/3,315.10
  6. Step 6: Final answer
    x = 4,419.04

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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.