Home / 3,133.31-4,333.37-2,739.65

Finding the Fourth Proportional to 3,133.31, 4,333.37 and 2,739.65

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Solution

The fourth proportional to 3,133.31, 4,333.37 and 2,739.65 is: 3,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.31 : 4,333.37 = 2,739.65 : x
  2. Step 2: Convert to fraction form
    3,133.31/4,333.37 = 2,739.65/x
  3. Step 3: Cross multiply
    3,133.31x = 4,333.37 × 2,739.65
  4. Step 4: Simplify right side
    3,133.31x = 11,871,881.76
  5. Step 5: Solve for x
    x = 11,871,881.76/3,133.31
  6. Step 6: Final answer
    x = 3,788.93

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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.