Home / 3,901.38-5,381.09-2,483.67

Finding the Fourth Proportional to 3,901.38, 5,381.09 and 2,483.67

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Solution

The fourth proportional to 3,901.38, 5,381.09 and 2,483.67 is: 3,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.38 : 5,381.09 = 2,483.67 : x
  2. Step 2: Convert to fraction form
    3,901.38/5,381.09 = 2,483.67/x
  3. Step 3: Cross multiply
    3,901.38x = 5,381.09 × 2,483.67
  4. Step 4: Simplify right side
    3,901.38x = 13,364,839.38
  5. Step 5: Solve for x
    x = 13,364,839.38/3,901.38
  6. Step 6: Final answer
    x = 3,425.67

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1.5x scale

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.