Home / 3,000.42-4,502.94-1,960.14

Finding the Fourth Proportional to 3,000.42, 4,502.94 and 1,960.14

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Solution

The fourth proportional to 3,000.42, 4,502.94 and 1,960.14 is: 2,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.42 : 4,502.94 = 1,960.14 : x
  2. Step 2: Convert to fraction form
    3,000.42/4,502.94 = 1,960.14/x
  3. Step 3: Cross multiply
    3,000.42x = 4,502.94 × 1,960.14
  4. Step 4: Simplify right side
    3,000.42x = 8,826,392.81
  5. Step 5: Solve for x
    x = 8,826,392.81/3,000.42
  6. Step 6: Final answer
    x = 2,941.72

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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.