Home / 3,190.95-4,403.30-1,774.51

Finding the Fourth Proportional to 3,190.95, 4,403.30 and 1,774.51

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Solution

The fourth proportional to 3,190.95, 4,403.30 and 1,774.51 is: 2,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.95 : 4,403.30 = 1,774.51 : x
  2. Step 2: Convert to fraction form
    3,190.95/4,403.30 = 1,774.51/x
  3. Step 3: Cross multiply
    3,190.95x = 4,403.30 × 1,774.51
  4. Step 4: Simplify right side
    3,190.95x = 7,813,680.00
  5. Step 5: Solve for x
    x = 7,813,680.00/3,190.95
  6. Step 6: Final answer
    x = 2,448.70

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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.