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Finding the Fourth Proportional to 2,903.58, 4,007.01 and 1,708.65

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Solution

The fourth proportional to 2,903.58, 4,007.01 and 1,708.65 is: 2,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.58 : 4,007.01 = 1,708.65 : x
  2. Step 2: Convert to fraction form
    2,903.58/4,007.01 = 1,708.65/x
  3. Step 3: Cross multiply
    2,903.58x = 4,007.01 × 1,708.65
  4. Step 4: Simplify right side
    2,903.58x = 6,846,577.64
  5. Step 5: Solve for x
    x = 6,846,577.64/2,903.58
  6. Step 6: Final answer
    x = 2,357.98

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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.