Home / 3,890.28-5,835.51-1,293.42

Finding the Fourth Proportional to 3,890.28, 5,835.51 and 1,293.42

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Solution

The fourth proportional to 3,890.28, 5,835.51 and 1,293.42 is: 1,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.28 : 5,835.51 = 1,293.42 : x
  2. Step 2: Convert to fraction form
    3,890.28/5,835.51 = 1,293.42/x
  3. Step 3: Cross multiply
    3,890.28x = 5,835.51 × 1,293.42
  4. Step 4: Simplify right side
    3,890.28x = 7,547,765.34
  5. Step 5: Solve for x
    x = 7,547,765.34/3,890.28
  6. Step 6: Final answer
    x = 1,940.16

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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.