Home / 3,643.15-5,027.60-2,071.35

Finding the Fourth Proportional to 3,643.15, 5,027.60 and 2,071.35

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Solution

The fourth proportional to 3,643.15, 5,027.60 and 2,071.35 is: 2,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.15 : 5,027.60 = 2,071.35 : x
  2. Step 2: Convert to fraction form
    3,643.15/5,027.60 = 2,071.35/x
  3. Step 3: Cross multiply
    3,643.15x = 5,027.60 × 2,071.35
  4. Step 4: Simplify right side
    3,643.15x = 10,413,919.26
  5. Step 5: Solve for x
    x = 10,413,919.26/3,643.15
  6. Step 6: Final answer
    x = 2,858.49

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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.