Home / 3,623.73-5,438.34-2,390.73

Finding the Fourth Proportional to 3,623.73, 5,438.34 and 2,390.73

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Solution

The fourth proportional to 3,623.73, 5,438.34 and 2,390.73 is: 3,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.73 : 5,438.34 = 2,390.73 : x
  2. Step 2: Convert to fraction form
    3,623.73/5,438.34 = 2,390.73/x
  3. Step 3: Cross multiply
    3,623.73x = 5,438.34 × 2,390.73
  4. Step 4: Simplify right side
    3,623.73x = 13,001,602.59
  5. Step 5: Solve for x
    x = 13,001,602.59/3,623.73
  6. Step 6: Final answer
    x = 3,587.91

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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.