Home / 3,178.50-4,768.58-1,204.14

Finding the Fourth Proportional to 3,178.50, 4,768.58 and 1,204.14

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Solution

The fourth proportional to 3,178.50, 4,768.58 and 1,204.14 is: 1,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.50 : 4,768.58 = 1,204.14 : x
  2. Step 2: Convert to fraction form
    3,178.50/4,768.58 = 1,204.14/x
  3. Step 3: Cross multiply
    3,178.50x = 4,768.58 × 1,204.14
  4. Step 4: Simplify right side
    3,178.50x = 5,742,031.90
  5. Step 5: Solve for x
    x = 5,742,031.90/3,178.50
  6. Step 6: Final answer
    x = 1,806.53

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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.