Home / 3,955.67-5,931.48-1,322.23

Finding the Fourth Proportional to 3,955.67, 5,931.48 and 1,322.23

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Solution

The fourth proportional to 3,955.67, 5,931.48 and 1,322.23 is: 1,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.67 : 5,931.48 = 1,322.23 : x
  2. Step 2: Convert to fraction form
    3,955.67/5,931.48 = 1,322.23/x
  3. Step 3: Cross multiply
    3,955.67x = 5,931.48 × 1,322.23
  4. Step 4: Simplify right side
    3,955.67x = 7,842,780.80
  5. Step 5: Solve for x
    x = 7,842,780.80/3,955.67
  6. Step 6: Final answer
    x = 1,982.67

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1.5x scale

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.