Home / 2,069.74-2,857.08-1,323.64

Finding the Fourth Proportional to 2,069.74, 2,857.08 and 1,323.64

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Solution

The fourth proportional to 2,069.74, 2,857.08 and 1,323.64 is: 1,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.74 : 2,857.08 = 1,323.64 : x
  2. Step 2: Convert to fraction form
    2,069.74/2,857.08 = 1,323.64/x
  3. Step 3: Cross multiply
    2,069.74x = 2,857.08 × 1,323.64
  4. Step 4: Simplify right side
    2,069.74x = 3,781,745.37
  5. Step 5: Solve for x
    x = 3,781,745.37/2,069.74
  6. Step 6: Final answer
    x = 1,827.16

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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.