Home / 1,646.27-2,469.37-476.23

Finding the Fourth Proportional to 1,646.27, 2,469.37 and 476.23

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Solution

The fourth proportional to 1,646.27, 2,469.37 and 476.23 is: 714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.27 : 2,469.37 = 476.23 : x
  2. Step 2: Convert to fraction form
    1,646.27/2,469.37 = 476.23/x
  3. Step 3: Cross multiply
    1,646.27x = 2,469.37 × 476.23
  4. Step 4: Simplify right side
    1,646.27x = 1,175,973.35
  5. Step 5: Solve for x
    x = 1,175,973.35/1,646.27
  6. Step 6: Final answer
    x = 714.33

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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.