Home / 4,187.61-5,779.01-2,299.38

Finding the Fourth Proportional to 4,187.61, 5,779.01 and 2,299.38

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Solution

The fourth proportional to 4,187.61, 5,779.01 and 2,299.38 is: 3,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.61 : 5,779.01 = 2,299.38 : x
  2. Step 2: Convert to fraction form
    4,187.61/5,779.01 = 2,299.38/x
  3. Step 3: Cross multiply
    4,187.61x = 5,779.01 × 2,299.38
  4. Step 4: Simplify right side
    4,187.61x = 13,288,128.52
  5. Step 5: Solve for x
    x = 13,288,128.52/4,187.61
  6. Step 6: Final answer
    x = 3,173.20

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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.