Home / 1,659.83-2,488.27-1,075.28

Finding the Fourth Proportional to 1,659.83, 2,488.27 and 1,075.28

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Solution

The fourth proportional to 1,659.83, 2,488.27 and 1,075.28 is: 1,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.83 : 2,488.27 = 1,075.28 : x
  2. Step 2: Convert to fraction form
    1,659.83/2,488.27 = 1,075.28/x
  3. Step 3: Cross multiply
    1,659.83x = 2,488.27 × 1,075.28
  4. Step 4: Simplify right side
    1,659.83x = 2,675,586.97
  5. Step 5: Solve for x
    x = 2,675,586.97/1,659.83
  6. Step 6: Final answer
    x = 1,611.96

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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.