Home / 1,446.08-1,994.64-1,357.60

Finding the Fourth Proportional to 1,446.08, 1,994.64 and 1,357.60

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Solution

The fourth proportional to 1,446.08, 1,994.64 and 1,357.60 is: 1,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.08 : 1,994.64 = 1,357.60 : x
  2. Step 2: Convert to fraction form
    1,446.08/1,994.64 = 1,357.60/x
  3. Step 3: Cross multiply
    1,446.08x = 1,994.64 × 1,357.60
  4. Step 4: Simplify right side
    1,446.08x = 2,707,923.26
  5. Step 5: Solve for x
    x = 2,707,923.26/1,446.08
  6. Step 6: Final answer
    x = 1,872.60

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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.