Home / 2,718.23-3,751.33-1,539.48

Finding the Fourth Proportional to 2,718.23, 3,751.33 and 1,539.48

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Solution

The fourth proportional to 2,718.23, 3,751.33 and 1,539.48 is: 2,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.23 : 3,751.33 = 1,539.48 : x
  2. Step 2: Convert to fraction form
    2,718.23/3,751.33 = 1,539.48/x
  3. Step 3: Cross multiply
    2,718.23x = 3,751.33 × 1,539.48
  4. Step 4: Simplify right side
    2,718.23x = 5,775,097.51
  5. Step 5: Solve for x
    x = 5,775,097.51/2,718.23
  6. Step 6: Final answer
    x = 2,124.58

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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.