Home / 2,721.39-4,079.31-1,548.99

Finding the Fourth Proportional to 2,721.39, 4,079.31 and 1,548.99

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Solution

The fourth proportional to 2,721.39, 4,079.31 and 1,548.99 is: 2,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.39 : 4,079.31 = 1,548.99 : x
  2. Step 2: Convert to fraction form
    2,721.39/4,079.31 = 1,548.99/x
  3. Step 3: Cross multiply
    2,721.39x = 4,079.31 × 1,548.99
  4. Step 4: Simplify right side
    2,721.39x = 6,318,810.40
  5. Step 5: Solve for x
    x = 6,318,810.40/2,721.39
  6. Step 6: Final answer
    x = 2,321.91

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1.5x scale

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.