Home / 3,018.29-4,527.32-938.47

Finding the Fourth Proportional to 3,018.29, 4,527.32 and 938.47

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Solution

The fourth proportional to 3,018.29, 4,527.32 and 938.47 is: 1,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.29 : 4,527.32 = 938.47 : x
  2. Step 2: Convert to fraction form
    3,018.29/4,527.32 = 938.47/x
  3. Step 3: Cross multiply
    3,018.29x = 4,527.32 × 938.47
  4. Step 4: Simplify right side
    3,018.29x = 4,248,768.22
  5. Step 5: Solve for x
    x = 4,248,768.22/3,018.29
  6. Step 6: Final answer
    x = 1,407.67

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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.