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Finding the Fourth Proportional to 1,950.16, 2,688.24 and 1,668.24

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Solution

The fourth proportional to 1,950.16, 2,688.24 and 1,668.24 is: 2,299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.16 : 2,688.24 = 1,668.24 : x
  2. Step 2: Convert to fraction form
    1,950.16/2,688.24 = 1,668.24/x
  3. Step 3: Cross multiply
    1,950.16x = 2,688.24 × 1,668.24
  4. Step 4: Simplify right side
    1,950.16x = 4,484,629.50
  5. Step 5: Solve for x
    x = 4,484,629.50/1,950.16
  6. Step 6: Final answer
    x = 2,299.62

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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.