Home / 3,317.67-4,577.37-1,990.89

Finding the Fourth Proportional to 3,317.67, 4,577.37 and 1,990.89

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Solution

The fourth proportional to 3,317.67, 4,577.37 and 1,990.89 is: 2,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.67 : 4,577.37 = 1,990.89 : x
  2. Step 2: Convert to fraction form
    3,317.67/4,577.37 = 1,990.89/x
  3. Step 3: Cross multiply
    3,317.67x = 4,577.37 × 1,990.89
  4. Step 4: Simplify right side
    3,317.67x = 9,113,040.16
  5. Step 5: Solve for x
    x = 9,113,040.16/3,317.67
  6. Step 6: Final answer
    x = 2,746.82

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1.5x scale

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.