Home / 2,950.36-4,419.90-2,851.45

Finding the Fourth Proportional to 2,950.36, 4,419.90 and 2,851.45

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Solution

The fourth proportional to 2,950.36, 4,419.90 and 2,851.45 is: 4,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.36 : 4,419.90 = 2,851.45 : x
  2. Step 2: Convert to fraction form
    2,950.36/4,419.90 = 2,851.45/x
  3. Step 3: Cross multiply
    2,950.36x = 4,419.90 × 2,851.45
  4. Step 4: Simplify right side
    2,950.36x = 12,603,149.70
  5. Step 5: Solve for x
    x = 12,603,149.70/2,950.36
  6. Step 6: Final answer
    x = 4,271.73

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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.