Home / 2,170.88-2,995.81-1,176.16

Finding the Fourth Proportional to 2,170.88, 2,995.81 and 1,176.16

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Solution

The fourth proportional to 2,170.88, 2,995.81 and 1,176.16 is: 1,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.88 : 2,995.81 = 1,176.16 : x
  2. Step 2: Convert to fraction form
    2,170.88/2,995.81 = 1,176.16/x
  3. Step 3: Cross multiply
    2,170.88x = 2,995.81 × 1,176.16
  4. Step 4: Simplify right side
    2,170.88x = 3,523,544.40
  5. Step 5: Solve for x
    x = 3,523,544.40/2,170.88
  6. Step 6: Final answer
    x = 1,623.10

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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.