Home / 1,336.23-2,003.40-848.70

Finding the Fourth Proportional to 1,336.23, 2,003.40 and 848.70

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Solution

The fourth proportional to 1,336.23, 2,003.40 and 848.70 is: 1,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.23 : 2,003.40 = 848.70 : x
  2. Step 2: Convert to fraction form
    1,336.23/2,003.40 = 848.70/x
  3. Step 3: Cross multiply
    1,336.23x = 2,003.40 × 848.70
  4. Step 4: Simplify right side
    1,336.23x = 1,700,285.58
  5. Step 5: Solve for x
    x = 1,700,285.58/1,336.23
  6. Step 6: Final answer
    x = 1,272.45

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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.