Home / 2,203.81-3,041.60-1,319.90

Finding the Fourth Proportional to 2,203.81, 3,041.60 and 1,319.90

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Solution

The fourth proportional to 2,203.81, 3,041.60 and 1,319.90 is: 1,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.81 : 3,041.60 = 1,319.90 : x
  2. Step 2: Convert to fraction form
    2,203.81/3,041.60 = 1,319.90/x
  3. Step 3: Cross multiply
    2,203.81x = 3,041.60 × 1,319.90
  4. Step 4: Simplify right side
    2,203.81x = 4,014,593.46
  5. Step 5: Solve for x
    x = 4,014,593.46/2,203.81
  6. Step 6: Final answer
    x = 1,821.66

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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.