Home / 1,770.08-2,653.68-1,538.42

Finding the Fourth Proportional to 1,770.08, 2,653.68 and 1,538.42

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Solution

The fourth proportional to 1,770.08, 2,653.68 and 1,538.42 is: 2,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.08 : 2,653.68 = 1,538.42 : x
  2. Step 2: Convert to fraction form
    1,770.08/2,653.68 = 1,538.42/x
  3. Step 3: Cross multiply
    1,770.08x = 2,653.68 × 1,538.42
  4. Step 4: Simplify right side
    1,770.08x = 4,082,474.39
  5. Step 5: Solve for x
    x = 4,082,474.39/1,770.08
  6. Step 6: Final answer
    x = 2,306.38

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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.