Home / 4,187.86-5,779.23-2,299.40

Finding the Fourth Proportional to 4,187.86, 5,779.23 and 2,299.40

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Solution

The fourth proportional to 4,187.86, 5,779.23 and 2,299.40 is: 3,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.86 : 5,779.23 = 2,299.40 : x
  2. Step 2: Convert to fraction form
    4,187.86/5,779.23 = 2,299.40/x
  3. Step 3: Cross multiply
    4,187.86x = 5,779.23 × 2,299.40
  4. Step 4: Simplify right side
    4,187.86x = 13,288,732.57
  5. Step 5: Solve for x
    x = 13,288,732.57/4,187.86
  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.