Home / 3,455.20-4,762.69-3,169.18

Finding the Fourth Proportional to 3,455.20, 4,762.69 and 3,169.18

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Solution

The fourth proportional to 3,455.20, 4,762.69 and 3,169.18 is: 4,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.20 : 4,762.69 = 3,169.18 : x
  2. Step 2: Convert to fraction form
    3,455.20/4,762.69 = 3,169.18/x
  3. Step 3: Cross multiply
    3,455.20x = 4,762.69 × 3,169.18
  4. Step 4: Simplify right side
    3,455.20x = 15,093,821.89
  5. Step 5: Solve for x
    x = 15,093,821.89/3,455.20
  6. Step 6: Final answer
    x = 4,368.44

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1.5x scale

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.