Home / 2,203.57-3,041.89-1,319.21

Finding the Fourth Proportional to 2,203.57, 3,041.89 and 1,319.21

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Solution

The fourth proportional to 2,203.57, 3,041.89 and 1,319.21 is: 1,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.57 : 3,041.89 = 1,319.21 : x
  2. Step 2: Convert to fraction form
    2,203.57/3,041.89 = 1,319.21/x
  3. Step 3: Cross multiply
    2,203.57x = 3,041.89 × 1,319.21
  4. Step 4: Simplify right side
    2,203.57x = 4,012,884.61
  5. Step 5: Solve for x
    x = 4,012,884.61/2,203.57
  6. Step 6: Final answer
    x = 1,821.08

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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.