Home / 1,818.72-2,723.97-1,490.67

Finding the Fourth Proportional to 1,818.72, 2,723.97 and 1,490.67

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Solution

The fourth proportional to 1,818.72, 2,723.97 and 1,490.67 is: 2,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.72 : 2,723.97 = 1,490.67 : x
  2. Step 2: Convert to fraction form
    1,818.72/2,723.97 = 1,490.67/x
  3. Step 3: Cross multiply
    1,818.72x = 2,723.97 × 1,490.67
  4. Step 4: Simplify right side
    1,818.72x = 4,060,540.36
  5. Step 5: Solve for x
    x = 4,060,540.36/1,818.72
  6. Step 6: Final answer
    x = 2,232.64

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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.