Home / 3,186.23-4,779.21-846.26

Finding the Fourth Proportional to 3,186.23, 4,779.21 and 846.26

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Solution

The fourth proportional to 3,186.23, 4,779.21 and 846.26 is: 1,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.23 : 4,779.21 = 846.26 : x
  2. Step 2: Convert to fraction form
    3,186.23/4,779.21 = 846.26/x
  3. Step 3: Cross multiply
    3,186.23x = 4,779.21 × 846.26
  4. Step 4: Simplify right side
    3,186.23x = 4,044,430.36
  5. Step 5: Solve for x
    x = 4,044,430.36/3,186.23
  6. Step 6: Final answer
    x = 1,269.35

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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.