Home / 2,035.81-3,053.70-939.57

Finding the Fourth Proportional to 2,035.81, 3,053.70 and 939.57

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Solution

The fourth proportional to 2,035.81, 3,053.70 and 939.57 is: 1,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.81 : 3,053.70 = 939.57 : x
  2. Step 2: Convert to fraction form
    2,035.81/3,053.70 = 939.57/x
  3. Step 3: Cross multiply
    2,035.81x = 3,053.70 × 939.57
  4. Step 4: Simplify right side
    2,035.81x = 2,869,164.91
  5. Step 5: Solve for x
    x = 2,869,164.91/2,035.81
  6. Step 6: Final answer
    x = 1,409.35

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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.