Home / 3,086.30-4,628.93-1,111.53

Finding the Fourth Proportional to 3,086.30, 4,628.93 and 1,111.53

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Solution

The fourth proportional to 3,086.30, 4,628.93 and 1,111.53 is: 1,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.30 : 4,628.93 = 1,111.53 : x
  2. Step 2: Convert to fraction form
    3,086.30/4,628.93 = 1,111.53/x
  3. Step 3: Cross multiply
    3,086.30x = 4,628.93 × 1,111.53
  4. Step 4: Simplify right side
    3,086.30x = 5,145,206.36
  5. Step 5: Solve for x
    x = 5,145,206.36/3,086.30
  6. Step 6: Final answer
    x = 1,667.11

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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.