Home / 3,005.32-4,147.62-1,827.04

Finding the Fourth Proportional to 3,005.32, 4,147.62 and 1,827.04

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Solution

The fourth proportional to 3,005.32, 4,147.62 and 1,827.04 is: 2,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.32 : 4,147.62 = 1,827.04 : x
  2. Step 2: Convert to fraction form
    3,005.32/4,147.62 = 1,827.04/x
  3. Step 3: Cross multiply
    3,005.32x = 4,147.62 × 1,827.04
  4. Step 4: Simplify right side
    3,005.32x = 7,577,867.64
  5. Step 5: Solve for x
    x = 7,577,867.64/3,005.32
  6. Step 6: Final answer
    x = 2,521.48

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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.