Home / 2,933.40-4,398.30-1,178.67

Finding the Fourth Proportional to 2,933.40, 4,398.30 and 1,178.67

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Solution

The fourth proportional to 2,933.40, 4,398.30 and 1,178.67 is: 1,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.40 : 4,398.30 = 1,178.67 : x
  2. Step 2: Convert to fraction form
    2,933.40/4,398.30 = 1,178.67/x
  3. Step 3: Cross multiply
    2,933.40x = 4,398.30 × 1,178.67
  4. Step 4: Simplify right side
    2,933.40x = 5,184,144.26
  5. Step 5: Solve for x
    x = 5,184,144.26/2,933.40
  6. Step 6: Final answer
    x = 1,767.28

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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.