Home / 1,675.36-2,311.68-1,054.08

Finding the Fourth Proportional to 1,675.36, 2,311.68 and 1,054.08

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Solution

The fourth proportional to 1,675.36, 2,311.68 and 1,054.08 is: 1,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.36 : 2,311.68 = 1,054.08 : x
  2. Step 2: Convert to fraction form
    1,675.36/2,311.68 = 1,054.08/x
  3. Step 3: Cross multiply
    1,675.36x = 2,311.68 × 1,054.08
  4. Step 4: Simplify right side
    1,675.36x = 2,436,695.65
  5. Step 5: Solve for x
    x = 2,436,695.65/1,675.36
  6. Step 6: Final answer
    x = 1,454.43

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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.