Home / 3,910.34-5,864.04-1,277.23

Finding the Fourth Proportional to 3,910.34, 5,864.04 and 1,277.23

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Solution

The fourth proportional to 3,910.34, 5,864.04 and 1,277.23 is: 1,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.34 : 5,864.04 = 1,277.23 : x
  2. Step 2: Convert to fraction form
    3,910.34/5,864.04 = 1,277.23/x
  3. Step 3: Cross multiply
    3,910.34x = 5,864.04 × 1,277.23
  4. Step 4: Simplify right side
    3,910.34x = 7,489,727.81
  5. Step 5: Solve for x
    x = 7,489,727.81/3,910.34
  6. Step 6: Final answer
    x = 1,915.36

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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.