Home / 1,848.39-2,765.70-1,108.41

Finding the Fourth Proportional to 1,848.39, 2,765.70 and 1,108.41

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Solution

The fourth proportional to 1,848.39, 2,765.70 and 1,108.41 is: 1,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.39 : 2,765.70 = 1,108.41 : x
  2. Step 2: Convert to fraction form
    1,848.39/2,765.70 = 1,108.41/x
  3. Step 3: Cross multiply
    1,848.39x = 2,765.70 × 1,108.41
  4. Step 4: Simplify right side
    1,848.39x = 3,065,529.54
  5. Step 5: Solve for x
    x = 3,065,529.54/1,848.39
  6. Step 6: Final answer
    x = 1,658.49

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Double scale
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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.