Home / 3,088.16-4,648.92-2,820.32

Finding the Fourth Proportional to 3,088.16, 4,648.92 and 2,820.32

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Solution

The fourth proportional to 3,088.16, 4,648.92 and 2,820.32 is: 4,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.16 : 4,648.92 = 2,820.32 : x
  2. Step 2: Convert to fraction form
    3,088.16/4,648.92 = 2,820.32/x
  3. Step 3: Cross multiply
    3,088.16x = 4,648.92 × 2,820.32
  4. Step 4: Simplify right side
    3,088.16x = 13,111,442.05
  5. Step 5: Solve for x
    x = 13,111,442.05/3,088.16
  6. Step 6: Final answer
    x = 4,245.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.