Home / 2,668.10-4,004.32-1,888.86

Finding the Fourth Proportional to 2,668.10, 4,004.32 and 1,888.86

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Solution

The fourth proportional to 2,668.10, 4,004.32 and 1,888.86 is: 2,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.10 : 4,004.32 = 1,888.86 : x
  2. Step 2: Convert to fraction form
    2,668.10/4,004.32 = 1,888.86/x
  3. Step 3: Cross multiply
    2,668.10x = 4,004.32 × 1,888.86
  4. Step 4: Simplify right side
    2,668.10x = 7,563,599.88
  5. Step 5: Solve for x
    x = 7,563,599.88/2,668.10
  6. Step 6: Final answer
    x = 2,834.83

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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.