Home / 3,036.35-4,189.98-1,709.98

Finding the Fourth Proportional to 3,036.35, 4,189.98 and 1,709.98

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Solution

The fourth proportional to 3,036.35, 4,189.98 and 1,709.98 is: 2,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.35 : 4,189.98 = 1,709.98 : x
  2. Step 2: Convert to fraction form
    3,036.35/4,189.98 = 1,709.98/x
  3. Step 3: Cross multiply
    3,036.35x = 4,189.98 × 1,709.98
  4. Step 4: Simplify right side
    3,036.35x = 7,164,782.00
  5. Step 5: Solve for x
    x = 7,164,782.00/3,036.35
  6. Step 6: Final answer
    x = 2,359.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.