Home / 3,931.75-5,898.57-1,623.25

Finding the Fourth Proportional to 3,931.75, 5,898.57 and 1,623.25

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Solution

The fourth proportional to 3,931.75, 5,898.57 and 1,623.25 is: 2,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.75 : 5,898.57 = 1,623.25 : x
  2. Step 2: Convert to fraction form
    3,931.75/5,898.57 = 1,623.25/x
  3. Step 3: Cross multiply
    3,931.75x = 5,898.57 × 1,623.25
  4. Step 4: Simplify right side
    3,931.75x = 9,574,853.75
  5. Step 5: Solve for x
    x = 9,574,853.75/3,931.75
  6. Step 6: Final answer
    x = 2,435.27

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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.