Home / 3,319.26-4,578.60-2,124.51

Finding the Fourth Proportional to 3,319.26, 4,578.60 and 2,124.51

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Solution

The fourth proportional to 3,319.26, 4,578.60 and 2,124.51 is: 2,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.26 : 4,578.60 = 2,124.51 : x
  2. Step 2: Convert to fraction form
    3,319.26/4,578.60 = 2,124.51/x
  3. Step 3: Cross multiply
    3,319.26x = 4,578.60 × 2,124.51
  4. Step 4: Simplify right side
    3,319.26x = 9,727,281.49
  5. Step 5: Solve for x
    x = 9,727,281.49/3,319.26
  6. Step 6: Final answer
    x = 2,930.56

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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.