Home / 2,583.12-3,564.18-1,639.20

Finding the Fourth Proportional to 2,583.12, 3,564.18 and 1,639.20

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Solution

The fourth proportional to 2,583.12, 3,564.18 and 1,639.20 is: 2,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583.12 : 3,564.18 = 1,639.20 : x
  2. Step 2: Convert to fraction form
    2,583.12/3,564.18 = 1,639.20/x
  3. Step 3: Cross multiply
    2,583.12x = 3,564.18 × 1,639.20
  4. Step 4: Simplify right side
    2,583.12x = 5,842,403.86
  5. Step 5: Solve for x
    x = 5,842,403.86/2,583.12
  6. Step 6: Final answer
    x = 2,261.76

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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.