Home / 3,310.89-4,570.33-1,984.34

Finding the Fourth Proportional to 3,310.89, 4,570.33 and 1,984.34

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Solution

The fourth proportional to 3,310.89, 4,570.33 and 1,984.34 is: 2,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.89 : 4,570.33 = 1,984.34 : x
  2. Step 2: Convert to fraction form
    3,310.89/4,570.33 = 1,984.34/x
  3. Step 3: Cross multiply
    3,310.89x = 4,570.33 × 1,984.34
  4. Step 4: Simplify right side
    3,310.89x = 9,069,055.86
  5. Step 5: Solve for x
    x = 9,069,055.86/3,310.89
  6. Step 6: Final answer
    x = 2,739.16

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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.