Home / 1,442.58-2,148.98-1,352.94

Finding the Fourth Proportional to 1,442.58, 2,148.98 and 1,352.94

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Solution

The fourth proportional to 1,442.58, 2,148.98 and 1,352.94 is: 2,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442.58 : 2,148.98 = 1,352.94 : x
  2. Step 2: Convert to fraction form
    1,442.58/2,148.98 = 1,352.94/x
  3. Step 3: Cross multiply
    1,442.58x = 2,148.98 × 1,352.94
  4. Step 4: Simplify right side
    1,442.58x = 2,907,444.38
  5. Step 5: Solve for x
    x = 2,907,444.38/1,442.58
  6. Step 6: Final answer
    x = 2,015.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.