Home / 2,097.19-3,147-1,001.80

Finding the Fourth Proportional to 2,097.19, 3,147 and 1,001.80

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Solution

The fourth proportional to 2,097.19, 3,147 and 1,001.80 is: 1,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.19 : 3,147 = 1,001.80 : x
  2. Step 2: Convert to fraction form
    2,097.19/3,147 = 1,001.80/x
  3. Step 3: Cross multiply
    2,097.19x = 3,147 × 1,001.80
  4. Step 4: Simplify right side
    2,097.19x = 3,152,664.60
  5. Step 5: Solve for x
    x = 3,152,664.60/2,097.19
  6. Step 6: Final answer
    x = 1,503.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.