Home / 4,302.75-6,455.77-1,670.42

Finding the Fourth Proportional to 4,302.75, 6,455.77 and 1,670.42

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Solution

The fourth proportional to 4,302.75, 6,455.77 and 1,670.42 is: 2,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.75 : 6,455.77 = 1,670.42 : x
  2. Step 2: Convert to fraction form
    4,302.75/6,455.77 = 1,670.42/x
  3. Step 3: Cross multiply
    4,302.75x = 6,455.77 × 1,670.42
  4. Step 4: Simplify right side
    4,302.75x = 10,783,859.29
  5. Step 5: Solve for x
    x = 10,783,859.29/4,302.75
  6. Step 6: Final answer
    x = 2,506.27

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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.