Home / 3,628.70-5,443.40-1,436.93

Finding the Fourth Proportional to 3,628.70, 5,443.40 and 1,436.93

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Solution

The fourth proportional to 3,628.70, 5,443.40 and 1,436.93 is: 2,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.70 : 5,443.40 = 1,436.93 : x
  2. Step 2: Convert to fraction form
    3,628.70/5,443.40 = 1,436.93/x
  3. Step 3: Cross multiply
    3,628.70x = 5,443.40 × 1,436.93
  4. Step 4: Simplify right side
    3,628.70x = 7,821,784.76
  5. Step 5: Solve for x
    x = 7,821,784.76/3,628.70
  6. Step 6: Final answer
    x = 2,155.53

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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.