Home / 3,777.03-5,665.55-1,310.51

Finding the Fourth Proportional to 3,777.03, 5,665.55 and 1,310.51

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Solution

The fourth proportional to 3,777.03, 5,665.55 and 1,310.51 is: 1,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.03 : 5,665.55 = 1,310.51 : x
  2. Step 2: Convert to fraction form
    3,777.03/5,665.55 = 1,310.51/x
  3. Step 3: Cross multiply
    3,777.03x = 5,665.55 × 1,310.51
  4. Step 4: Simplify right side
    3,777.03x = 7,424,767.54
  5. Step 5: Solve for x
    x = 7,424,767.54/3,777.03
  6. Step 6: Final answer
    x = 1,965.77

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Double scale
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Similar ratio
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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.