Home / 1,335.51-2,003.27-1,235.07

Finding the Fourth Proportional to 1,335.51, 2,003.27 and 1,235.07

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Solution

The fourth proportional to 1,335.51, 2,003.27 and 1,235.07 is: 1,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.51 : 2,003.27 = 1,235.07 : x
  2. Step 2: Convert to fraction form
    1,335.51/2,003.27 = 1,235.07/x
  3. Step 3: Cross multiply
    1,335.51x = 2,003.27 × 1,235.07
  4. Step 4: Simplify right side
    1,335.51x = 2,474,172.50
  5. Step 5: Solve for x
    x = 2,474,172.50/1,335.51
  6. Step 6: Final answer
    x = 1,852.61

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Double scale
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Similar ratio
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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.