Home / 2,001.40-3,005.70-1,454.20

Finding the Fourth Proportional to 2,001.40, 3,005.70 and 1,454.20

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Solution

The fourth proportional to 2,001.40, 3,005.70 and 1,454.20 is: 2,183.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.40 : 3,005.70 = 1,454.20 : x
  2. Step 2: Convert to fraction form
    2,001.40/3,005.70 = 1,454.20/x
  3. Step 3: Cross multiply
    2,001.40x = 3,005.70 × 1,454.20
  4. Step 4: Simplify right side
    2,001.40x = 4,370,888.94
  5. Step 5: Solve for x
    x = 4,370,888.94/2,001.40
  6. Step 6: Final answer
    x = 2,183.92

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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.