Home / 1,618.44-2,415.86-1,498.08

Finding the Fourth Proportional to 1,618.44, 2,415.86 and 1,498.08

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Solution

The fourth proportional to 1,618.44, 2,415.86 and 1,498.08 is: 2,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.44 : 2,415.86 = 1,498.08 : x
  2. Step 2: Convert to fraction form
    1,618.44/2,415.86 = 1,498.08/x
  3. Step 3: Cross multiply
    1,618.44x = 2,415.86 × 1,498.08
  4. Step 4: Simplify right side
    1,618.44x = 3,619,151.55
  5. Step 5: Solve for x
    x = 3,619,151.55/1,618.44
  6. Step 6: Final answer
    x = 2,236.20

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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.