Home / 1,934.28-2,669.94-1,376.36

Finding the Fourth Proportional to 1,934.28, 2,669.94 and 1,376.36

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Solution

The fourth proportional to 1,934.28, 2,669.94 and 1,376.36 is: 1,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.28 : 2,669.94 = 1,376.36 : x
  2. Step 2: Convert to fraction form
    1,934.28/2,669.94 = 1,376.36/x
  3. Step 3: Cross multiply
    1,934.28x = 2,669.94 × 1,376.36
  4. Step 4: Simplify right side
    1,934.28x = 3,674,798.62
  5. Step 5: Solve for x
    x = 3,674,798.62/1,934.28
  6. Step 6: Final answer
    x = 1,899.83

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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.