Home / 3,190.55-4,402.67-1,774.17

Finding the Fourth Proportional to 3,190.55, 4,402.67 and 1,774.17

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Solution

The fourth proportional to 3,190.55, 4,402.67 and 1,774.17 is: 2,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.55 : 4,402.67 = 1,774.17 : x
  2. Step 2: Convert to fraction form
    3,190.55/4,402.67 = 1,774.17/x
  3. Step 3: Cross multiply
    3,190.55x = 4,402.67 × 1,774.17
  4. Step 4: Simplify right side
    3,190.55x = 7,811,076.16
  5. Step 5: Solve for x
    x = 7,811,076.16/3,190.55
  6. Step 6: Final answer
    x = 2,448.19

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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.