Home / 2,721.80-4,071.90-2,360.60

Finding the Fourth Proportional to 2,721.80, 4,071.90 and 2,360.60

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Solution

The fourth proportional to 2,721.80, 4,071.90 and 2,360.60 is: 3,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.80 : 4,071.90 = 2,360.60 : x
  2. Step 2: Convert to fraction form
    2,721.80/4,071.90 = 2,360.60/x
  3. Step 3: Cross multiply
    2,721.80x = 4,071.90 × 2,360.60
  4. Step 4: Simplify right side
    2,721.80x = 9,612,127.14
  5. Step 5: Solve for x
    x = 9,612,127.14/2,721.80
  6. Step 6: Final answer
    x = 3,531.53

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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.