Home / 3,190.51-4,402.91-1,774.33

Finding the Fourth Proportional to 3,190.51, 4,402.91 and 1,774.33

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Solution

The fourth proportional to 3,190.51, 4,402.91 and 1,774.33 is: 2,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.51 : 4,402.91 = 1,774.33 : x
  2. Step 2: Convert to fraction form
    3,190.51/4,402.91 = 1,774.33/x
  3. Step 3: Cross multiply
    3,190.51x = 4,402.91 × 1,774.33
  4. Step 4: Simplify right side
    3,190.51x = 7,812,215.30
  5. Step 5: Solve for x
    x = 7,812,215.30/3,190.51
  6. Step 6: Final answer
    x = 2,448.58

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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.