Home / 2,195.60-3,030.00-1,200.94

Finding the Fourth Proportional to 2,195.60, 3,030.00 and 1,200.94

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Solution

The fourth proportional to 2,195.60, 3,030.00 and 1,200.94 is: 1,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.60 : 3,030.00 = 1,200.94 : x
  2. Step 2: Convert to fraction form
    2,195.60/3,030.00 = 1,200.94/x
  3. Step 3: Cross multiply
    2,195.60x = 3,030.00 × 1,200.94
  4. Step 4: Simplify right side
    2,195.60x = 3,638,836.12
  5. Step 5: Solve for x
    x = 3,638,836.12/2,195.60
  6. Step 6: Final answer
    x = 1,657.33

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1.5x scale

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.