Home / 3,328.29-4,588.77-2,728.58

Finding the Fourth Proportional to 3,328.29, 4,588.77 and 2,728.58

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Solution

The fourth proportional to 3,328.29, 4,588.77 and 2,728.58 is: 3,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.29 : 4,588.77 = 2,728.58 : x
  2. Step 2: Convert to fraction form
    3,328.29/4,588.77 = 2,728.58/x
  3. Step 3: Cross multiply
    3,328.29x = 4,588.77 × 2,728.58
  4. Step 4: Simplify right side
    3,328.29x = 12,520,803.10
  5. Step 5: Solve for x
    x = 12,520,803.10/3,328.29
  6. Step 6: Final answer
    x = 3,761.93

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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.