Home / 3,419.37-5,133.48-1,777.06

Finding the Fourth Proportional to 3,419.37, 5,133.48 and 1,777.06

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Solution

The fourth proportional to 3,419.37, 5,133.48 and 1,777.06 is: 2,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.37 : 5,133.48 = 1,777.06 : x
  2. Step 2: Convert to fraction form
    3,419.37/5,133.48 = 1,777.06/x
  3. Step 3: Cross multiply
    3,419.37x = 5,133.48 × 1,777.06
  4. Step 4: Simplify right side
    3,419.37x = 9,122,501.72
  5. Step 5: Solve for x
    x = 9,122,501.72/3,419.37
  6. Step 6: Final answer
    x = 2,667.89

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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.