Home / 2,941.38-4,056.93-1,891.62

Finding the Fourth Proportional to 2,941.38, 4,056.93 and 1,891.62

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Solution

The fourth proportional to 2,941.38, 4,056.93 and 1,891.62 is: 2,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.38 : 4,056.93 = 1,891.62 : x
  2. Step 2: Convert to fraction form
    2,941.38/4,056.93 = 1,891.62/x
  3. Step 3: Cross multiply
    2,941.38x = 4,056.93 × 1,891.62
  4. Step 4: Simplify right side
    2,941.38x = 7,674,169.93
  5. Step 5: Solve for x
    x = 7,674,169.93/2,941.38
  6. Step 6: Final answer
    x = 2,609.04

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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.