Home / 3,126.31-4,685.40-2,795.33

Finding the Fourth Proportional to 3,126.31, 4,685.40 and 2,795.33

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Solution

The fourth proportional to 3,126.31, 4,685.40 and 2,795.33 is: 4,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.31 : 4,685.40 = 2,795.33 : x
  2. Step 2: Convert to fraction form
    3,126.31/4,685.40 = 2,795.33/x
  3. Step 3: Cross multiply
    3,126.31x = 4,685.40 × 2,795.33
  4. Step 4: Simplify right side
    3,126.31x = 13,097,239.18
  5. Step 5: Solve for x
    x = 13,097,239.18/3,126.31
  6. Step 6: Final answer
    x = 4,189.36

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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.