Home / 3,770.60-5,205.21-2,513.75

Finding the Fourth Proportional to 3,770.60, 5,205.21 and 2,513.75

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Solution

The fourth proportional to 3,770.60, 5,205.21 and 2,513.75 is: 3,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.60 : 5,205.21 = 2,513.75 : x
  2. Step 2: Convert to fraction form
    3,770.60/5,205.21 = 2,513.75/x
  3. Step 3: Cross multiply
    3,770.60x = 5,205.21 × 2,513.75
  4. Step 4: Simplify right side
    3,770.60x = 13,084,596.64
  5. Step 5: Solve for x
    x = 13,084,596.64/3,770.60
  6. Step 6: Final answer
    x = 3,470.16

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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.