Home / 2,827.36-4,224.32-2,730.48

Finding the Fourth Proportional to 2,827.36, 4,224.32 and 2,730.48

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Solution

The fourth proportional to 2,827.36, 4,224.32 and 2,730.48 is: 4,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.36 : 4,224.32 = 2,730.48 : x
  2. Step 2: Convert to fraction form
    2,827.36/4,224.32 = 2,730.48/x
  3. Step 3: Cross multiply
    2,827.36x = 4,224.32 × 2,730.48
  4. Step 4: Simplify right side
    2,827.36x = 11,534,421.27
  5. Step 5: Solve for x
    x = 11,534,421.27/2,827.36
  6. Step 6: Final answer
    x = 4,079.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.