Home / 3,409.04-5,112.61-943.67

Finding the Fourth Proportional to 3,409.04, 5,112.61 and 943.67

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Solution

The fourth proportional to 3,409.04, 5,112.61 and 943.67 is: 1,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.04 : 5,112.61 = 943.67 : x
  2. Step 2: Convert to fraction form
    3,409.04/5,112.61 = 943.67/x
  3. Step 3: Cross multiply
    3,409.04x = 5,112.61 × 943.67
  4. Step 4: Simplify right side
    3,409.04x = 4,824,588.76
  5. Step 5: Solve for x
    x = 4,824,588.76/3,409.04
  6. Step 6: Final answer
    x = 1,415.24

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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.