Home / 2,684.51-4,027.41-1,123.65

Finding the Fourth Proportional to 2,684.51, 4,027.41 and 1,123.65

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Solution

The fourth proportional to 2,684.51, 4,027.41 and 1,123.65 is: 1,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.51 : 4,027.41 = 1,123.65 : x
  2. Step 2: Convert to fraction form
    2,684.51/4,027.41 = 1,123.65/x
  3. Step 3: Cross multiply
    2,684.51x = 4,027.41 × 1,123.65
  4. Step 4: Simplify right side
    2,684.51x = 4,525,384.14
  5. Step 5: Solve for x
    x = 4,525,384.14/2,684.51
  6. Step 6: Final answer
    x = 1,685.74

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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.