Home / 1,945.55-2,932.65-1,832.65

Finding the Fourth Proportional to 1,945.55, 2,932.65 and 1,832.65

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Solution

The fourth proportional to 1,945.55, 2,932.65 and 1,832.65 is: 2,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.55 : 2,932.65 = 1,832.65 : x
  2. Step 2: Convert to fraction form
    1,945.55/2,932.65 = 1,832.65/x
  3. Step 3: Cross multiply
    1,945.55x = 2,932.65 × 1,832.65
  4. Step 4: Simplify right side
    1,945.55x = 5,374,513.69
  5. Step 5: Solve for x
    x = 5,374,513.69/1,945.55
  6. Step 6: Final answer
    x = 2,762.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.