Home / 4,187.68-5,779.15-2,299.32

Finding the Fourth Proportional to 4,187.68, 5,779.15 and 2,299.32

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Solution

The fourth proportional to 4,187.68, 5,779.15 and 2,299.32 is: 3,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.68 : 5,779.15 = 2,299.32 : x
  2. Step 2: Convert to fraction form
    4,187.68/5,779.15 = 2,299.32/x
  3. Step 3: Cross multiply
    4,187.68x = 5,779.15 × 2,299.32
  4. Step 4: Simplify right side
    4,187.68x = 13,288,109.43
  5. Step 5: Solve for x
    x = 13,288,109.43/4,187.68
  6. Step 6: Final answer
    x = 3,173.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.