Home / 1,338.60-1,848.08-1,059.96

Finding the Fourth Proportional to 1,338.60, 1,848.08 and 1,059.96

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Solution

The fourth proportional to 1,338.60, 1,848.08 and 1,059.96 is: 1,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338.60 : 1,848.08 = 1,059.96 : x
  2. Step 2: Convert to fraction form
    1,338.60/1,848.08 = 1,059.96/x
  3. Step 3: Cross multiply
    1,338.60x = 1,848.08 × 1,059.96
  4. Step 4: Simplify right side
    1,338.60x = 1,958,890.88
  5. Step 5: Solve for x
    x = 1,958,890.88/1,338.60
  6. Step 6: Final answer
    x = 1,463.39

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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.