Home / 3,013.02-4,157.82-1,668.54

Finding the Fourth Proportional to 3,013.02, 4,157.82 and 1,668.54

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Solution

The fourth proportional to 3,013.02, 4,157.82 and 1,668.54 is: 2,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.02 : 4,157.82 = 1,668.54 : x
  2. Step 2: Convert to fraction form
    3,013.02/4,157.82 = 1,668.54/x
  3. Step 3: Cross multiply
    3,013.02x = 4,157.82 × 1,668.54
  4. Step 4: Simplify right side
    3,013.02x = 6,937,488.98
  5. Step 5: Solve for x
    x = 6,937,488.98/3,013.02
  6. Step 6: Final answer
    x = 2,302.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.