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Finding the Fourth Proportional to 2,035.85, 3,053.85 and 803.51

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Solution

The fourth proportional to 2,035.85, 3,053.85 and 803.51 is: 1,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.85 : 3,053.85 = 803.51 : x
  2. Step 2: Convert to fraction form
    2,035.85/3,053.85 = 803.51/x
  3. Step 3: Cross multiply
    2,035.85x = 3,053.85 × 803.51
  4. Step 4: Simplify right side
    2,035.85x = 2,453,799.01
  5. Step 5: Solve for x
    x = 2,453,799.01/2,035.85
  6. Step 6: Final answer
    x = 1,205.29

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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.