Home / 3,970.21-5,955.27-1,373.11

Finding the Fourth Proportional to 3,970.21, 5,955.27 and 1,373.11

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Solution

The fourth proportional to 3,970.21, 5,955.27 and 1,373.11 is: 2,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.21 : 5,955.27 = 1,373.11 : x
  2. Step 2: Convert to fraction form
    3,970.21/5,955.27 = 1,373.11/x
  3. Step 3: Cross multiply
    3,970.21x = 5,955.27 × 1,373.11
  4. Step 4: Simplify right side
    3,970.21x = 8,177,240.79
  5. Step 5: Solve for x
    x = 8,177,240.79/3,970.21
  6. Step 6: Final answer
    x = 2,059.65

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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.