Home / 3,187.11-4,779.63-2,210.25

Finding the Fourth Proportional to 3,187.11, 4,779.63 and 2,210.25

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Solution

The fourth proportional to 3,187.11, 4,779.63 and 2,210.25 is: 3,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.11 : 4,779.63 = 2,210.25 : x
  2. Step 2: Convert to fraction form
    3,187.11/4,779.63 = 2,210.25/x
  3. Step 3: Cross multiply
    3,187.11x = 4,779.63 × 2,210.25
  4. Step 4: Simplify right side
    3,187.11x = 10,564,177.21
  5. Step 5: Solve for x
    x = 10,564,177.21/3,187.11
  6. Step 6: Final answer
    x = 3,314.66

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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.