Home / 1,776.03-2,450.07-1,380.34

Finding the Fourth Proportional to 1,776.03, 2,450.07 and 1,380.34

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Solution

The fourth proportional to 1,776.03, 2,450.07 and 1,380.34 is: 1,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.03 : 2,450.07 = 1,380.34 : x
  2. Step 2: Convert to fraction form
    1,776.03/2,450.07 = 1,380.34/x
  3. Step 3: Cross multiply
    1,776.03x = 2,450.07 × 1,380.34
  4. Step 4: Simplify right side
    1,776.03x = 3,381,929.62
  5. Step 5: Solve for x
    x = 3,381,929.62/1,776.03
  6. Step 6: Final answer
    x = 1,904.21

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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.