Home / 2,913.42-4,020.75-2,446.86

Finding the Fourth Proportional to 2,913.42, 4,020.75 and 2,446.86

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Solution

The fourth proportional to 2,913.42, 4,020.75 and 2,446.86 is: 3,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.42 : 4,020.75 = 2,446.86 : x
  2. Step 2: Convert to fraction form
    2,913.42/4,020.75 = 2,446.86/x
  3. Step 3: Cross multiply
    2,913.42x = 4,020.75 × 2,446.86
  4. Step 4: Simplify right side
    2,913.42x = 9,838,212.35
  5. Step 5: Solve for x
    x = 9,838,212.35/2,913.42
  6. Step 6: Final answer
    x = 3,376.86

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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.