Home / 1,934.13-2,669.34-1,343.64

Finding the Fourth Proportional to 1,934.13, 2,669.34 and 1,343.64

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Solution

The fourth proportional to 1,934.13, 2,669.34 and 1,343.64 is: 1,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.13 : 2,669.34 = 1,343.64 : x
  2. Step 2: Convert to fraction form
    1,934.13/2,669.34 = 1,343.64/x
  3. Step 3: Cross multiply
    1,934.13x = 2,669.34 × 1,343.64
  4. Step 4: Simplify right side
    1,934.13x = 3,586,632.00
  5. Step 5: Solve for x
    x = 3,586,632.00/1,934.13
  6. Step 6: Final answer
    x = 1,854.39

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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.