Home / 2,718.38-3,751.24-1,539.46

Finding the Fourth Proportional to 2,718.38, 3,751.24 and 1,539.46

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Solution

The fourth proportional to 2,718.38, 3,751.24 and 1,539.46 is: 2,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.38 : 3,751.24 = 1,539.46 : x
  2. Step 2: Convert to fraction form
    2,718.38/3,751.24 = 1,539.46/x
  3. Step 3: Cross multiply
    2,718.38x = 3,751.24 × 1,539.46
  4. Step 4: Simplify right side
    2,718.38x = 5,774,897.67
  5. Step 5: Solve for x
    x = 5,774,897.67/2,718.38
  6. Step 6: Final answer
    x = 2,124.39

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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.