Home / 2,320.41-3,480.14-1,087.48

Finding the Fourth Proportional to 2,320.41, 3,480.14 and 1,087.48

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Solution

The fourth proportional to 2,320.41, 3,480.14 and 1,087.48 is: 1,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.41 : 3,480.14 = 1,087.48 : x
  2. Step 2: Convert to fraction form
    2,320.41/3,480.14 = 1,087.48/x
  3. Step 3: Cross multiply
    2,320.41x = 3,480.14 × 1,087.48
  4. Step 4: Simplify right side
    2,320.41x = 3,784,577.21
  5. Step 5: Solve for x
    x = 3,784,577.21/2,320.41
  6. Step 6: Final answer
    x = 1,631.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.