Home / 2,369.78-3,268.85-1,573.14

Finding the Fourth Proportional to 2,369.78, 3,268.85 and 1,573.14

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Solution

The fourth proportional to 2,369.78, 3,268.85 and 1,573.14 is: 2,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.78 : 3,268.85 = 1,573.14 : x
  2. Step 2: Convert to fraction form
    2,369.78/3,268.85 = 1,573.14/x
  3. Step 3: Cross multiply
    2,369.78x = 3,268.85 × 1,573.14
  4. Step 4: Simplify right side
    2,369.78x = 5,142,350.82
  5. Step 5: Solve for x
    x = 5,142,350.82/2,369.78
  6. Step 6: Final answer
    x = 2,169.97

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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.