Home / 3,767.60-5,193.80-2,645.16

Finding the Fourth Proportional to 3,767.60, 5,193.80 and 2,645.16

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Solution

The fourth proportional to 3,767.60, 5,193.80 and 2,645.16 is: 3,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.60 : 5,193.80 = 2,645.16 : x
  2. Step 2: Convert to fraction form
    3,767.60/5,193.80 = 2,645.16/x
  3. Step 3: Cross multiply
    3,767.60x = 5,193.80 × 2,645.16
  4. Step 4: Simplify right side
    3,767.60x = 13,738,432.01
  5. Step 5: Solve for x
    x = 13,738,432.01/3,767.60
  6. Step 6: Final answer
    x = 3,646.47

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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.