Home / 1,880.69-2,594.16-1,321.11

Finding the Fourth Proportional to 1,880.69, 2,594.16 and 1,321.11

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Solution

The fourth proportional to 1,880.69, 2,594.16 and 1,321.11 is: 1,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.69 : 2,594.16 = 1,321.11 : x
  2. Step 2: Convert to fraction form
    1,880.69/2,594.16 = 1,321.11/x
  3. Step 3: Cross multiply
    1,880.69x = 2,594.16 × 1,321.11
  4. Step 4: Simplify right side
    1,880.69x = 3,427,170.72
  5. Step 5: Solve for x
    x = 3,427,170.72/1,880.69
  6. Step 6: Final answer
    x = 1,822.30

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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.