Home / 2,586.24-3,879.38-1,762.47

Finding the Fourth Proportional to 2,586.24, 3,879.38 and 1,762.47

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Solution

The fourth proportional to 2,586.24, 3,879.38 and 1,762.47 is: 2,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.24 : 3,879.38 = 1,762.47 : x
  2. Step 2: Convert to fraction form
    2,586.24/3,879.38 = 1,762.47/x
  3. Step 3: Cross multiply
    2,586.24x = 3,879.38 × 1,762.47
  4. Step 4: Simplify right side
    2,586.24x = 6,837,309.82
  5. Step 5: Solve for x
    x = 6,837,309.82/2,586.24
  6. Step 6: Final answer
    x = 2,643.72

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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.