Home / 1,651.97-2,477.37-1,188.36

Finding the Fourth Proportional to 1,651.97, 2,477.37 and 1,188.36

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Solution

The fourth proportional to 1,651.97, 2,477.37 and 1,188.36 is: 1,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.97 : 2,477.37 = 1,188.36 : x
  2. Step 2: Convert to fraction form
    1,651.97/2,477.37 = 1,188.36/x
  3. Step 3: Cross multiply
    1,651.97x = 2,477.37 × 1,188.36
  4. Step 4: Simplify right side
    1,651.97x = 2,944,007.41
  5. Step 5: Solve for x
    x = 2,944,007.41/1,651.97
  6. Step 6: Final answer
    x = 1,782.12

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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.