Home / 2,718.08-3,750.88-1,539.12

Finding the Fourth Proportional to 2,718.08, 3,750.88 and 1,539.12

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Solution

The fourth proportional to 2,718.08, 3,750.88 and 1,539.12 is: 2,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.08 : 3,750.88 = 1,539.12 : x
  2. Step 2: Convert to fraction form
    2,718.08/3,750.88 = 1,539.12/x
  3. Step 3: Cross multiply
    2,718.08x = 3,750.88 × 1,539.12
  4. Step 4: Simplify right side
    2,718.08x = 5,773,054.43
  5. Step 5: Solve for x
    x = 5,773,054.43/2,718.08
  6. Step 6: Final answer
    x = 2,123.95

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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.