Home / 2,379.06-3,567.30-1,687.09

Finding the Fourth Proportional to 2,379.06, 3,567.30 and 1,687.09

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Solution

The fourth proportional to 2,379.06, 3,567.30 and 1,687.09 is: 2,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.06 : 3,567.30 = 1,687.09 : x
  2. Step 2: Convert to fraction form
    2,379.06/3,567.30 = 1,687.09/x
  3. Step 3: Cross multiply
    2,379.06x = 3,567.30 × 1,687.09
  4. Step 4: Simplify right side
    2,379.06x = 6,018,356.16
  5. Step 5: Solve for x
    x = 6,018,356.16/2,379.06
  6. Step 6: Final answer
    x = 2,529.72

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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.