Home / 1,668.18-2,493.08-1,536.82

Finding the Fourth Proportional to 1,668.18, 2,493.08 and 1,536.82

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Solution

The fourth proportional to 1,668.18, 2,493.08 and 1,536.82 is: 2,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.18 : 2,493.08 = 1,536.82 : x
  2. Step 2: Convert to fraction form
    1,668.18/2,493.08 = 1,536.82/x
  3. Step 3: Cross multiply
    1,668.18x = 2,493.08 × 1,536.82
  4. Step 4: Simplify right side
    1,668.18x = 3,831,415.21
  5. Step 5: Solve for x
    x = 3,831,415.21/1,668.18
  6. Step 6: Final answer
    x = 2,296.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.