Home / 3,190.67-4,403.17-1,774.45

Finding the Fourth Proportional to 3,190.67, 4,403.17 and 1,774.45

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Solution

The fourth proportional to 3,190.67, 4,403.17 and 1,774.45 is: 2,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.67 : 4,403.17 = 1,774.45 : x
  2. Step 2: Convert to fraction form
    3,190.67/4,403.17 = 1,774.45/x
  3. Step 3: Cross multiply
    3,190.67x = 4,403.17 × 1,774.45
  4. Step 4: Simplify right side
    3,190.67x = 7,813,205.01
  5. Step 5: Solve for x
    x = 7,813,205.01/3,190.67
  6. Step 6: Final answer
    x = 2,448.77

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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.