Home / 1,487.22-2,229.33-1,075.35

Finding the Fourth Proportional to 1,487.22, 2,229.33 and 1,075.35

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Solution

The fourth proportional to 1,487.22, 2,229.33 and 1,075.35 is: 1,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.22 : 2,229.33 = 1,075.35 : x
  2. Step 2: Convert to fraction form
    1,487.22/2,229.33 = 1,075.35/x
  3. Step 3: Cross multiply
    1,487.22x = 2,229.33 × 1,075.35
  4. Step 4: Simplify right side
    1,487.22x = 2,397,310.02
  5. Step 5: Solve for x
    x = 2,397,310.02/1,487.22
  6. Step 6: Final answer
    x = 1,611.94

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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.