Home / 1,905.45-2,837.36-1,835.39

Finding the Fourth Proportional to 1,905.45, 2,837.36 and 1,835.39

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Solution

The fourth proportional to 1,905.45, 2,837.36 and 1,835.39 is: 2,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.45 : 2,837.36 = 1,835.39 : x
  2. Step 2: Convert to fraction form
    1,905.45/2,837.36 = 1,835.39/x
  3. Step 3: Cross multiply
    1,905.45x = 2,837.36 × 1,835.39
  4. Step 4: Simplify right side
    1,905.45x = 5,207,638.81
  5. Step 5: Solve for x
    x = 5,207,638.81/1,905.45
  6. Step 6: Final answer
    x = 2,733.02

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1.5x scale

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.