Home / 3,187.07-4,779.44-1,106.51

Finding the Fourth Proportional to 3,187.07, 4,779.44 and 1,106.51

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Solution

The fourth proportional to 3,187.07, 4,779.44 and 1,106.51 is: 1,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.07 : 4,779.44 = 1,106.51 : x
  2. Step 2: Convert to fraction form
    3,187.07/4,779.44 = 1,106.51/x
  3. Step 3: Cross multiply
    3,187.07x = 4,779.44 × 1,106.51
  4. Step 4: Simplify right side
    3,187.07x = 5,288,492.62
  5. Step 5: Solve for x
    x = 5,288,492.62/3,187.07
  6. Step 6: Final answer
    x = 1,659.36

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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.