Home / 1,651.40-2,477.23-677.51

Finding the Fourth Proportional to 1,651.40, 2,477.23 and 677.51

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Solution

The fourth proportional to 1,651.40, 2,477.23 and 677.51 is: 1,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.40 : 2,477.23 = 677.51 : x
  2. Step 2: Convert to fraction form
    1,651.40/2,477.23 = 677.51/x
  3. Step 3: Cross multiply
    1,651.40x = 2,477.23 × 677.51
  4. Step 4: Simplify right side
    1,651.40x = 1,678,334.02
  5. Step 5: Solve for x
    x = 1,678,334.02/1,651.40
  6. Step 6: Final answer
    x = 1,016.31

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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.