Home / 3,191.10-4,787.37-1,460.22

Finding the Fourth Proportional to 3,191.10, 4,787.37 and 1,460.22

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Solution

The fourth proportional to 3,191.10, 4,787.37 and 1,460.22 is: 2,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.10 : 4,787.37 = 1,460.22 : x
  2. Step 2: Convert to fraction form
    3,191.10/4,787.37 = 1,460.22/x
  3. Step 3: Cross multiply
    3,191.10x = 4,787.37 × 1,460.22
  4. Step 4: Simplify right side
    3,191.10x = 6,990,613.42
  5. Step 5: Solve for x
    x = 6,990,613.42/3,191.10
  6. Step 6: Final answer
    x = 2,190.66

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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.