Home / 3,384.63-5,074.68-1,409.74

Finding the Fourth Proportional to 3,384.63, 5,074.68 and 1,409.74

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Solution

The fourth proportional to 3,384.63, 5,074.68 and 1,409.74 is: 2,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.63 : 5,074.68 = 1,409.74 : x
  2. Step 2: Convert to fraction form
    3,384.63/5,074.68 = 1,409.74/x
  3. Step 3: Cross multiply
    3,384.63x = 5,074.68 × 1,409.74
  4. Step 4: Simplify right side
    3,384.63x = 7,153,979.38
  5. Step 5: Solve for x
    x = 7,153,979.38/3,384.63
  6. Step 6: Final answer
    x = 2,113.67

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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.