Home / 3,309.36-4,570.20-2,651.28

Finding the Fourth Proportional to 3,309.36, 4,570.20 and 2,651.28

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Solution

The fourth proportional to 3,309.36, 4,570.20 and 2,651.28 is: 3,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.36 : 4,570.20 = 2,651.28 : x
  2. Step 2: Convert to fraction form
    3,309.36/4,570.20 = 2,651.28/x
  3. Step 3: Cross multiply
    3,309.36x = 4,570.20 × 2,651.28
  4. Step 4: Simplify right side
    3,309.36x = 12,116,879.86
  5. Step 5: Solve for x
    x = 12,116,879.86/3,309.36
  6. Step 6: Final answer
    x = 3,661.40

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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.