Home / 2,421.63-3,325.73-2,027.97

Finding the Fourth Proportional to 2,421.63, 3,325.73 and 2,027.97

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Solution

The fourth proportional to 2,421.63, 3,325.73 and 2,027.97 is: 2,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.63 : 3,325.73 = 2,027.97 : x
  2. Step 2: Convert to fraction form
    2,421.63/3,325.73 = 2,027.97/x
  3. Step 3: Cross multiply
    2,421.63x = 3,325.73 × 2,027.97
  4. Step 4: Simplify right side
    2,421.63x = 6,744,470.53
  5. Step 5: Solve for x
    x = 6,744,470.53/2,421.63
  6. Step 6: Final answer
    x = 2,785.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.