Home / 2,228.95-3,342.21-1,190.13

Finding the Fourth Proportional to 2,228.95, 3,342.21 and 1,190.13

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Solution

The fourth proportional to 2,228.95, 3,342.21 and 1,190.13 is: 1,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.95 : 3,342.21 = 1,190.13 : x
  2. Step 2: Convert to fraction form
    2,228.95/3,342.21 = 1,190.13/x
  3. Step 3: Cross multiply
    2,228.95x = 3,342.21 × 1,190.13
  4. Step 4: Simplify right side
    2,228.95x = 3,977,664.39
  5. Step 5: Solve for x
    x = 3,977,664.39/2,228.95
  6. Step 6: Final answer
    x = 1,784.55

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1.5x scale

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.