Home / 2,880.41-3,975.23-1,762.02

Finding the Fourth Proportional to 2,880.41, 3,975.23 and 1,762.02

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Solution

The fourth proportional to 2,880.41, 3,975.23 and 1,762.02 is: 2,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.41 : 3,975.23 = 1,762.02 : x
  2. Step 2: Convert to fraction form
    2,880.41/3,975.23 = 1,762.02/x
  3. Step 3: Cross multiply
    2,880.41x = 3,975.23 × 1,762.02
  4. Step 4: Simplify right side
    2,880.41x = 7,004,439.17
  5. Step 5: Solve for x
    x = 7,004,439.17/2,880.41
  6. Step 6: Final answer
    x = 2,431.75

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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.