Home / 2,235.03-3,084.36-1,240.37

Finding the Fourth Proportional to 2,235.03, 3,084.36 and 1,240.37

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Solution

The fourth proportional to 2,235.03, 3,084.36 and 1,240.37 is: 1,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.03 : 3,084.36 = 1,240.37 : x
  2. Step 2: Convert to fraction form
    2,235.03/3,084.36 = 1,240.37/x
  3. Step 3: Cross multiply
    2,235.03x = 3,084.36 × 1,240.37
  4. Step 4: Simplify right side
    2,235.03x = 3,825,755.32
  5. Step 5: Solve for x
    x = 3,825,755.32/2,235.03
  6. Step 6: Final answer
    x = 1,711.72

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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.