Home / 2,899.12-4,338.64-1,788.08

Finding the Fourth Proportional to 2,899.12, 4,338.64 and 1,788.08

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Solution

The fourth proportional to 2,899.12, 4,338.64 and 1,788.08 is: 2,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.12 : 4,338.64 = 1,788.08 : x
  2. Step 2: Convert to fraction form
    2,899.12/4,338.64 = 1,788.08/x
  3. Step 3: Cross multiply
    2,899.12x = 4,338.64 × 1,788.08
  4. Step 4: Simplify right side
    2,899.12x = 7,757,835.41
  5. Step 5: Solve for x
    x = 7,757,835.41/2,899.12
  6. Step 6: Final answer
    x = 2,675.93

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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.