Home / 1,486.21-2,224.65-1,021.27

Finding the Fourth Proportional to 1,486.21, 2,224.65 and 1,021.27

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Solution

The fourth proportional to 1,486.21, 2,224.65 and 1,021.27 is: 1,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.21 : 2,224.65 = 1,021.27 : x
  2. Step 2: Convert to fraction form
    1,486.21/2,224.65 = 1,021.27/x
  3. Step 3: Cross multiply
    1,486.21x = 2,224.65 × 1,021.27
  4. Step 4: Simplify right side
    1,486.21x = 2,271,963.20
  5. Step 5: Solve for x
    x = 2,271,963.20/1,486.21
  6. Step 6: Final answer
    x = 1,528.70

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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.