Home / 2,203.60-3,040.68-1,319.08

Finding the Fourth Proportional to 2,203.60, 3,040.68 and 1,319.08

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Solution

The fourth proportional to 2,203.60, 3,040.68 and 1,319.08 is: 1,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.60 : 3,040.68 = 1,319.08 : x
  2. Step 2: Convert to fraction form
    2,203.60/3,040.68 = 1,319.08/x
  3. Step 3: Cross multiply
    2,203.60x = 3,040.68 × 1,319.08
  4. Step 4: Simplify right side
    2,203.60x = 4,010,900.17
  5. Step 5: Solve for x
    x = 4,010,900.17/2,203.60
  6. Step 6: Final answer
    x = 1,820.16

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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.