Home / 2,718.18-3,751.06-1,539.30

Finding the Fourth Proportional to 2,718.18, 3,751.06 and 1,539.30

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Solution

The fourth proportional to 2,718.18, 3,751.06 and 1,539.30 is: 2,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.18 : 3,751.06 = 1,539.30 : x
  2. Step 2: Convert to fraction form
    2,718.18/3,751.06 = 1,539.30/x
  3. Step 3: Cross multiply
    2,718.18x = 3,751.06 × 1,539.30
  4. Step 4: Simplify right side
    2,718.18x = 5,774,006.66
  5. Step 5: Solve for x
    x = 5,774,006.66/2,718.18
  6. Step 6: Final answer
    x = 2,124.22

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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.