Home / 5,319.81-7,980.26-2,035.67

Finding the Fourth Proportional to 5,319.81, 7,980.26 and 2,035.67

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Solution

The fourth proportional to 5,319.81, 7,980.26 and 2,035.67 is: 3,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.81 : 7,980.26 = 2,035.67 : x
  2. Step 2: Convert to fraction form
    5,319.81/7,980.26 = 2,035.67/x
  3. Step 3: Cross multiply
    5,319.81x = 7,980.26 × 2,035.67
  4. Step 4: Simplify right side
    5,319.81x = 16,245,125.79
  5. Step 5: Solve for x
    x = 16,245,125.79/5,319.81
  6. Step 6: Final answer
    x = 3,053.70

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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.