Home / 2,718.79-4,078.73-1,549.35

Finding the Fourth Proportional to 2,718.79, 4,078.73 and 1,549.35

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Solution

The fourth proportional to 2,718.79, 4,078.73 and 1,549.35 is: 2,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.79 : 4,078.73 = 1,549.35 : x
  2. Step 2: Convert to fraction form
    2,718.79/4,078.73 = 1,549.35/x
  3. Step 3: Cross multiply
    2,718.79x = 4,078.73 × 1,549.35
  4. Step 4: Simplify right side
    2,718.79x = 6,319,384.20
  5. Step 5: Solve for x
    x = 6,319,384.20/2,718.79
  6. Step 6: Final answer
    x = 2,324.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.