Home / 2,365.42-3,261.93-1,945.34

Finding the Fourth Proportional to 2,365.42, 3,261.93 and 1,945.34

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Solution

The fourth proportional to 2,365.42, 3,261.93 and 1,945.34 is: 2,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.42 : 3,261.93 = 1,945.34 : x
  2. Step 2: Convert to fraction form
    2,365.42/3,261.93 = 1,945.34/x
  3. Step 3: Cross multiply
    2,365.42x = 3,261.93 × 1,945.34
  4. Step 4: Simplify right side
    2,365.42x = 6,345,562.91
  5. Step 5: Solve for x
    x = 6,345,562.91/2,365.42
  6. Step 6: Final answer
    x = 2,682.64

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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.