Home / 2,718.32-3,750.92-1,539.36

Finding the Fourth Proportional to 2,718.32, 3,750.92 and 1,539.36

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Solution

The fourth proportional to 2,718.32, 3,750.92 and 1,539.36 is: 2,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.32 : 3,750.92 = 1,539.36 : x
  2. Step 2: Convert to fraction form
    2,718.32/3,750.92 = 1,539.36/x
  3. Step 3: Cross multiply
    2,718.32x = 3,750.92 × 1,539.36
  4. Step 4: Simplify right side
    2,718.32x = 5,774,016.21
  5. Step 5: Solve for x
    x = 5,774,016.21/2,718.32
  6. Step 6: Final answer
    x = 2,124.11

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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.