Home / 3,436.35-4,740.60-2,109.57

Finding the Fourth Proportional to 3,436.35, 4,740.60 and 2,109.57

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Solution

The fourth proportional to 3,436.35, 4,740.60 and 2,109.57 is: 2,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.35 : 4,740.60 = 2,109.57 : x
  2. Step 2: Convert to fraction form
    3,436.35/4,740.60 = 2,109.57/x
  3. Step 3: Cross multiply
    3,436.35x = 4,740.60 × 2,109.57
  4. Step 4: Simplify right side
    3,436.35x = 10,000,603.84
  5. Step 5: Solve for x
    x = 10,000,603.84/3,436.35
  6. Step 6: Final answer
    x = 2,910.24

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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.