Home / 3,260-4,497.72-1,934.12

Finding the Fourth Proportional to 3,260, 4,497.72 and 1,934.12

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Solution

The fourth proportional to 3,260, 4,497.72 and 1,934.12 is: 2,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260 : 4,497.72 = 1,934.12 : x
  2. Step 2: Convert to fraction form
    3,260/4,497.72 = 1,934.12/x
  3. Step 3: Cross multiply
    3,260x = 4,497.72 × 1,934.12
  4. Step 4: Simplify right side
    3,260x = 8,699,130.21
  5. Step 5: Solve for x
    x = 8,699,130.21/3,260
  6. Step 6: Final answer
    x = 2,668.44

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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.