Home / 3,187.26-4,779.06-1,237.18

Finding the Fourth Proportional to 3,187.26, 4,779.06 and 1,237.18

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Solution

The fourth proportional to 3,187.26, 4,779.06 and 1,237.18 is: 1,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.26 : 4,779.06 = 1,237.18 : x
  2. Step 2: Convert to fraction form
    3,187.26/4,779.06 = 1,237.18/x
  3. Step 3: Cross multiply
    3,187.26x = 4,779.06 × 1,237.18
  4. Step 4: Simplify right side
    3,187.26x = 5,912,557.45
  5. Step 5: Solve for x
    x = 5,912,557.45/3,187.26
  6. Step 6: Final answer
    x = 1,855.06

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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.