Home / 2,671.49-4,007.69-1,191.24

Finding the Fourth Proportional to 2,671.49, 4,007.69 and 1,191.24

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Solution

The fourth proportional to 2,671.49, 4,007.69 and 1,191.24 is: 1,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.49 : 4,007.69 = 1,191.24 : x
  2. Step 2: Convert to fraction form
    2,671.49/4,007.69 = 1,191.24/x
  3. Step 3: Cross multiply
    2,671.49x = 4,007.69 × 1,191.24
  4. Step 4: Simplify right side
    2,671.49x = 4,774,120.64
  5. Step 5: Solve for x
    x = 4,774,120.64/2,671.49
  6. Step 6: Final answer
    x = 1,787.06

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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.