Home / 3,405.55-5,108.31-941.07

Finding the Fourth Proportional to 3,405.55, 5,108.31 and 941.07

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Solution

The fourth proportional to 3,405.55, 5,108.31 and 941.07 is: 1,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.55 : 5,108.31 = 941.07 : x
  2. Step 2: Convert to fraction form
    3,405.55/5,108.31 = 941.07/x
  3. Step 3: Cross multiply
    3,405.55x = 5,108.31 × 941.07
  4. Step 4: Simplify right side
    3,405.55x = 4,807,277.29
  5. Step 5: Solve for x
    x = 4,807,277.29/3,405.55
  6. Step 6: Final answer
    x = 1,411.60

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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.