Home / 2,149.36-2,966.09-1,310.20

Finding the Fourth Proportional to 2,149.36, 2,966.09 and 1,310.20

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Solution

The fourth proportional to 2,149.36, 2,966.09 and 1,310.20 is: 1,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.36 : 2,966.09 = 1,310.20 : x
  2. Step 2: Convert to fraction form
    2,149.36/2,966.09 = 1,310.20/x
  3. Step 3: Cross multiply
    2,149.36x = 2,966.09 × 1,310.20
  4. Step 4: Simplify right side
    2,149.36x = 3,886,157.15
  5. Step 5: Solve for x
    x = 3,886,157.15/2,149.36
  6. Step 6: Final answer
    x = 1,808.06

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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.