Home / 2,170.26-2,993.80-1,423.94

Finding the Fourth Proportional to 2,170.26, 2,993.80 and 1,423.94

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Solution

The fourth proportional to 2,170.26, 2,993.80 and 1,423.94 is: 1,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.26 : 2,993.80 = 1,423.94 : x
  2. Step 2: Convert to fraction form
    2,170.26/2,993.80 = 1,423.94/x
  3. Step 3: Cross multiply
    2,170.26x = 2,993.80 × 1,423.94
  4. Step 4: Simplify right side
    2,170.26x = 4,262,994.76
  5. Step 5: Solve for x
    x = 4,262,994.76/2,170.26
  6. Step 6: Final answer
    x = 1,964.28

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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.