Home / 1,194.24-1,787.64-1,019.28

Finding the Fourth Proportional to 1,194.24, 1,787.64 and 1,019.28

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Solution

The fourth proportional to 1,194.24, 1,787.64 and 1,019.28 is: 1,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.24 : 1,787.64 = 1,019.28 : x
  2. Step 2: Convert to fraction form
    1,194.24/1,787.64 = 1,019.28/x
  3. Step 3: Cross multiply
    1,194.24x = 1,787.64 × 1,019.28
  4. Step 4: Simplify right side
    1,194.24x = 1,822,105.70
  5. Step 5: Solve for x
    x = 1,822,105.70/1,194.24
  6. Step 6: Final answer
    x = 1,525.74

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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.