Home / 1,941.12-2,911.67-573.12

Finding the Fourth Proportional to 1,941.12, 2,911.67 and 573.12

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Solution

The fourth proportional to 1,941.12, 2,911.67 and 573.12 is: 859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.12 : 2,911.67 = 573.12 : x
  2. Step 2: Convert to fraction form
    1,941.12/2,911.67 = 573.12/x
  3. Step 3: Cross multiply
    1,941.12x = 2,911.67 × 573.12
  4. Step 4: Simplify right side
    1,941.12x = 1,668,733.44
  5. Step 5: Solve for x
    x = 1,668,733.44/1,941.12
  6. Step 6: Final answer
    x = 859.68

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1.5x scale

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.