Home / 3,117.98-4,675.55-1,170.60

Finding the Fourth Proportional to 3,117.98, 4,675.55 and 1,170.60

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Solution

The fourth proportional to 3,117.98, 4,675.55 and 1,170.60 is: 1,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.98 : 4,675.55 = 1,170.60 : x
  2. Step 2: Convert to fraction form
    3,117.98/4,675.55 = 1,170.60/x
  3. Step 3: Cross multiply
    3,117.98x = 4,675.55 × 1,170.60
  4. Step 4: Simplify right side
    3,117.98x = 5,473,192.98
  5. Step 5: Solve for x
    x = 5,473,192.98/3,117.98
  6. Step 6: Final answer
    x = 1,755.37

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1.5x scale

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.