Home / 3,518.24-4,851.96-3,020.72

Finding the Fourth Proportional to 3,518.24, 4,851.96 and 3,020.72

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Solution

The fourth proportional to 3,518.24, 4,851.96 and 3,020.72 is: 4,165.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.24 : 4,851.96 = 3,020.72 : x
  2. Step 2: Convert to fraction form
    3,518.24/4,851.96 = 3,020.72/x
  3. Step 3: Cross multiply
    3,518.24x = 4,851.96 × 3,020.72
  4. Step 4: Simplify right side
    3,518.24x = 14,656,412.61
  5. Step 5: Solve for x
    x = 14,656,412.61/3,518.24
  6. Step 6: Final answer
    x = 4,165.84

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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.