Home / 2,946.08-4,419.12-1,191.86

Finding the Fourth Proportional to 2,946.08, 4,419.12 and 1,191.86

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Solution

The fourth proportional to 2,946.08, 4,419.12 and 1,191.86 is: 1,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.08 : 4,419.12 = 1,191.86 : x
  2. Step 2: Convert to fraction form
    2,946.08/4,419.12 = 1,191.86/x
  3. Step 3: Cross multiply
    2,946.08x = 4,419.12 × 1,191.86
  4. Step 4: Simplify right side
    2,946.08x = 5,266,972.36
  5. Step 5: Solve for x
    x = 5,266,972.36/2,946.08
  6. Step 6: Final answer
    x = 1,787.79

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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.