Home / 2,451.28-3,382.08-2,328.16

Finding the Fourth Proportional to 2,451.28, 3,382.08 and 2,328.16

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Solution

The fourth proportional to 2,451.28, 3,382.08 and 2,328.16 is: 3,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.28 : 3,382.08 = 2,328.16 : x
  2. Step 2: Convert to fraction form
    2,451.28/3,382.08 = 2,328.16/x
  3. Step 3: Cross multiply
    2,451.28x = 3,382.08 × 2,328.16
  4. Step 4: Simplify right side
    2,451.28x = 7,874,023.37
  5. Step 5: Solve for x
    x = 7,874,023.37/2,451.28
  6. Step 6: Final answer
    x = 3,212.21

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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.