Home / 1,945.13-2,684.16-1,606.13

Finding the Fourth Proportional to 1,945.13, 2,684.16 and 1,606.13

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Solution

The fourth proportional to 1,945.13, 2,684.16 and 1,606.13 is: 2,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.13 : 2,684.16 = 1,606.13 : x
  2. Step 2: Convert to fraction form
    1,945.13/2,684.16 = 1,606.13/x
  3. Step 3: Cross multiply
    1,945.13x = 2,684.16 × 1,606.13
  4. Step 4: Simplify right side
    1,945.13x = 4,311,109.90
  5. Step 5: Solve for x
    x = 4,311,109.90/1,945.13
  6. Step 6: Final answer
    x = 2,216.36

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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.