Home / 2,950.42-4,421.50-2,219.14

Finding the Fourth Proportional to 2,950.42, 4,421.50 and 2,219.14

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Solution

The fourth proportional to 2,950.42, 4,421.50 and 2,219.14 is: 3,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.42 : 4,421.50 = 2,219.14 : x
  2. Step 2: Convert to fraction form
    2,950.42/4,421.50 = 2,219.14/x
  3. Step 3: Cross multiply
    2,950.42x = 4,421.50 × 2,219.14
  4. Step 4: Simplify right side
    2,950.42x = 9,811,927.51
  5. Step 5: Solve for x
    x = 9,811,927.51/2,950.42
  6. Step 6: Final answer
    x = 3,325.60

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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.