Home / 1,852.39-2,778.59-1,697.88

Finding the Fourth Proportional to 1,852.39, 2,778.59 and 1,697.88

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Solution

The fourth proportional to 1,852.39, 2,778.59 and 1,697.88 is: 2,546.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.39 : 2,778.59 = 1,697.88 : x
  2. Step 2: Convert to fraction form
    1,852.39/2,778.59 = 1,697.88/x
  3. Step 3: Cross multiply
    1,852.39x = 2,778.59 × 1,697.88
  4. Step 4: Simplify right side
    1,852.39x = 4,717,712.39
  5. Step 5: Solve for x
    x = 4,717,712.39/1,852.39
  6. Step 6: Final answer
    x = 2,546.82

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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.