Home / 3,161.56-4,362.54-1,817.08

Finding the Fourth Proportional to 3,161.56, 4,362.54 and 1,817.08

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Solution

The fourth proportional to 3,161.56, 4,362.54 and 1,817.08 is: 2,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.56 : 4,362.54 = 1,817.08 : x
  2. Step 2: Convert to fraction form
    3,161.56/4,362.54 = 1,817.08/x
  3. Step 3: Cross multiply
    3,161.56x = 4,362.54 × 1,817.08
  4. Step 4: Simplify right side
    3,161.56x = 7,927,084.18
  5. Step 5: Solve for x
    x = 7,927,084.18/3,161.56
  6. Step 6: Final answer
    x = 2,507.33

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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.