Home / 2,368.94-3,553.44-1,328.78

Finding the Fourth Proportional to 2,368.94, 3,553.44 and 1,328.78

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Solution

The fourth proportional to 2,368.94, 3,553.44 and 1,328.78 is: 1,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.94 : 3,553.44 = 1,328.78 : x
  2. Step 2: Convert to fraction form
    2,368.94/3,553.44 = 1,328.78/x
  3. Step 3: Cross multiply
    2,368.94x = 3,553.44 × 1,328.78
  4. Step 4: Simplify right side
    2,368.94x = 4,721,740.00
  5. Step 5: Solve for x
    x = 4,721,740.00/2,368.94
  6. Step 6: Final answer
    x = 1,993.19

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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.