Home / 2,945.11-4,064.54-1,686.27

Finding the Fourth Proportional to 2,945.11, 4,064.54 and 1,686.27

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Solution

The fourth proportional to 2,945.11, 4,064.54 and 1,686.27 is: 2,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.11 : 4,064.54 = 1,686.27 : x
  2. Step 2: Convert to fraction form
    2,945.11/4,064.54 = 1,686.27/x
  3. Step 3: Cross multiply
    2,945.11x = 4,064.54 × 1,686.27
  4. Step 4: Simplify right side
    2,945.11x = 6,853,911.87
  5. Step 5: Solve for x
    x = 6,853,911.87/2,945.11
  6. Step 6: Final answer
    x = 2,327.22

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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.