Home / 1,518.91-2,274.87-1,267.63

Finding the Fourth Proportional to 1,518.91, 2,274.87 and 1,267.63

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Solution

The fourth proportional to 1,518.91, 2,274.87 and 1,267.63 is: 1,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.91 : 2,274.87 = 1,267.63 : x
  2. Step 2: Convert to fraction form
    1,518.91/2,274.87 = 1,267.63/x
  3. Step 3: Cross multiply
    1,518.91x = 2,274.87 × 1,267.63
  4. Step 4: Simplify right side
    1,518.91x = 2,883,690.29
  5. Step 5: Solve for x
    x = 2,883,690.29/1,518.91
  6. Step 6: Final answer
    x = 1,898.53

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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.