Home / 1,975.47-2,727.14-1,229.67

Finding the Fourth Proportional to 1,975.47, 2,727.14 and 1,229.67

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Solution

The fourth proportional to 1,975.47, 2,727.14 and 1,229.67 is: 1,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.47 : 2,727.14 = 1,229.67 : x
  2. Step 2: Convert to fraction form
    1,975.47/2,727.14 = 1,229.67/x
  3. Step 3: Cross multiply
    1,975.47x = 2,727.14 × 1,229.67
  4. Step 4: Simplify right side
    1,975.47x = 3,353,482.24
  5. Step 5: Solve for x
    x = 3,353,482.24/1,975.47
  6. Step 6: Final answer
    x = 1,697.56

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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.