Home / 2,005.64-3,012.10-1,641.14

Finding the Fourth Proportional to 2,005.64, 3,012.10 and 1,641.14

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Solution

The fourth proportional to 2,005.64, 3,012.10 and 1,641.14 is: 2,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.64 : 3,012.10 = 1,641.14 : x
  2. Step 2: Convert to fraction form
    2,005.64/3,012.10 = 1,641.14/x
  3. Step 3: Cross multiply
    2,005.64x = 3,012.10 × 1,641.14
  4. Step 4: Simplify right side
    2,005.64x = 4,943,277.79
  5. Step 5: Solve for x
    x = 4,943,277.79/2,005.64
  6. Step 6: Final answer
    x = 2,464.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.