Home / 2,648.06-3,651.80-1,585.65

Finding the Fourth Proportional to 2,648.06, 3,651.80 and 1,585.65

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Solution

The fourth proportional to 2,648.06, 3,651.80 and 1,585.65 is: 2,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.06 : 3,651.80 = 1,585.65 : x
  2. Step 2: Convert to fraction form
    2,648.06/3,651.80 = 1,585.65/x
  3. Step 3: Cross multiply
    2,648.06x = 3,651.80 × 1,585.65
  4. Step 4: Simplify right side
    2,648.06x = 5,790,468.74
  5. Step 5: Solve for x
    x = 5,790,468.74/2,648.06
  6. Step 6: Final answer
    x = 2,186.69

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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.