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Finding the Fourth Proportional to 1,925.48, 2,668.32 and 1,888.56

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Solution

The fourth proportional to 1,925.48, 2,668.32 and 1,888.56 is: 2,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.48 : 2,668.32 = 1,888.56 : x
  2. Step 2: Convert to fraction form
    1,925.48/2,668.32 = 1,888.56/x
  3. Step 3: Cross multiply
    1,925.48x = 2,668.32 × 1,888.56
  4. Step 4: Simplify right side
    1,925.48x = 5,039,282.42
  5. Step 5: Solve for x
    x = 5,039,282.42/1,925.48
  6. Step 6: Final answer
    x = 2,617.16

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.