Home / 3,458.43-4,779.09-2,617.65

Finding the Fourth Proportional to 3,458.43, 4,779.09 and 2,617.65

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Solution

The fourth proportional to 3,458.43, 4,779.09 and 2,617.65 is: 3,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.43 : 4,779.09 = 2,617.65 : x
  2. Step 2: Convert to fraction form
    3,458.43/4,779.09 = 2,617.65/x
  3. Step 3: Cross multiply
    3,458.43x = 4,779.09 × 2,617.65
  4. Step 4: Simplify right side
    3,458.43x = 12,509,984.94
  5. Step 5: Solve for x
    x = 12,509,984.94/3,458.43
  6. Step 6: Final answer
    x = 3,617.24

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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.