Home / 2,974-4,104.40-1,715.08

Finding the Fourth Proportional to 2,974, 4,104.40 and 1,715.08

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Solution

The fourth proportional to 2,974, 4,104.40 and 1,715.08 is: 2,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974 : 4,104.40 = 1,715.08 : x
  2. Step 2: Convert to fraction form
    2,974/4,104.40 = 1,715.08/x
  3. Step 3: Cross multiply
    2,974x = 4,104.40 × 1,715.08
  4. Step 4: Simplify right side
    2,974x = 7,039,374.35
  5. Step 5: Solve for x
    x = 7,039,374.35/2,974
  6. Step 6: Final answer
    x = 2,366.97

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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.