Home / 2,669.65-4,005.72-1,682.23

Finding the Fourth Proportional to 2,669.65, 4,005.72 and 1,682.23

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Solution

The fourth proportional to 2,669.65, 4,005.72 and 1,682.23 is: 2,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.65 : 4,005.72 = 1,682.23 : x
  2. Step 2: Convert to fraction form
    2,669.65/4,005.72 = 1,682.23/x
  3. Step 3: Cross multiply
    2,669.65x = 4,005.72 × 1,682.23
  4. Step 4: Simplify right side
    2,669.65x = 6,738,542.36
  5. Step 5: Solve for x
    x = 6,738,542.36/2,669.65
  6. Step 6: Final answer
    x = 2,524.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.