Home / 3,303.45-4,955.72-1,111.68

Finding the Fourth Proportional to 3,303.45, 4,955.72 and 1,111.68

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Solution

The fourth proportional to 3,303.45, 4,955.72 and 1,111.68 is: 1,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.45 : 4,955.72 = 1,111.68 : x
  2. Step 2: Convert to fraction form
    3,303.45/4,955.72 = 1,111.68/x
  3. Step 3: Cross multiply
    3,303.45x = 4,955.72 × 1,111.68
  4. Step 4: Simplify right side
    3,303.45x = 5,509,169.25
  5. Step 5: Solve for x
    x = 5,509,169.25/3,303.45
  6. Step 6: Final answer
    x = 1,667.70

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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.