Home / 1,474.99-2,216.53-1,378.67

Finding the Fourth Proportional to 1,474.99, 2,216.53 and 1,378.67

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Solution

The fourth proportional to 1,474.99, 2,216.53 and 1,378.67 is: 2,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.99 : 2,216.53 = 1,378.67 : x
  2. Step 2: Convert to fraction form
    1,474.99/2,216.53 = 1,378.67/x
  3. Step 3: Cross multiply
    1,474.99x = 2,216.53 × 1,378.67
  4. Step 4: Simplify right side
    1,474.99x = 3,055,863.42
  5. Step 5: Solve for x
    x = 3,055,863.42/1,474.99
  6. Step 6: Final answer
    x = 2,071.79

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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.