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Finding the Fourth Proportional to 2,603.96, 3,595.11 and 1,609.80

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Solution

The fourth proportional to 2,603.96, 3,595.11 and 1,609.80 is: 2,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.96 : 3,595.11 = 1,609.80 : x
  2. Step 2: Convert to fraction form
    2,603.96/3,595.11 = 1,609.80/x
  3. Step 3: Cross multiply
    2,603.96x = 3,595.11 × 1,609.80
  4. Step 4: Simplify right side
    2,603.96x = 5,787,408.08
  5. Step 5: Solve for x
    x = 5,787,408.08/2,603.96
  6. Step 6: Final answer
    x = 2,222.55

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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.