Home / 2,673.96-3,690.32-1,554.80

Finding the Fourth Proportional to 2,673.96, 3,690.32 and 1,554.80

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Solution

The fourth proportional to 2,673.96, 3,690.32 and 1,554.80 is: 2,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.96 : 3,690.32 = 1,554.80 : x
  2. Step 2: Convert to fraction form
    2,673.96/3,690.32 = 1,554.80/x
  3. Step 3: Cross multiply
    2,673.96x = 3,690.32 × 1,554.80
  4. Step 4: Simplify right side
    2,673.96x = 5,737,709.54
  5. Step 5: Solve for x
    x = 5,737,709.54/2,673.96
  6. Step 6: Final answer
    x = 2,145.77

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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.