Home / 2,195.68-3,030.01-1,200.94

Finding the Fourth Proportional to 2,195.68, 3,030.01 and 1,200.94

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Solution

The fourth proportional to 2,195.68, 3,030.01 and 1,200.94 is: 1,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.68 : 3,030.01 = 1,200.94 : x
  2. Step 2: Convert to fraction form
    2,195.68/3,030.01 = 1,200.94/x
  3. Step 3: Cross multiply
    2,195.68x = 3,030.01 × 1,200.94
  4. Step 4: Simplify right side
    2,195.68x = 3,638,860.21
  5. Step 5: Solve for x
    x = 3,638,860.21/2,195.68
  6. Step 6: Final answer
    x = 1,657.28

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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.