Home / 2,203.68-3,039-1,319.40

Finding the Fourth Proportional to 2,203.68, 3,039 and 1,319.40

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Solution

The fourth proportional to 2,203.68, 3,039 and 1,319.40 is: 1,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.68 : 3,039 = 1,319.40 : x
  2. Step 2: Convert to fraction form
    2,203.68/3,039 = 1,319.40/x
  3. Step 3: Cross multiply
    2,203.68x = 3,039 × 1,319.40
  4. Step 4: Simplify right side
    2,203.68x = 4,009,656.60
  5. Step 5: Solve for x
    x = 4,009,656.60/2,203.68
  6. Step 6: Final answer
    x = 1,819.53

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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.