Home / 2,370.13-3,270.80-1,322.21

Finding the Fourth Proportional to 2,370.13, 3,270.80 and 1,322.21

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Solution

The fourth proportional to 2,370.13, 3,270.80 and 1,322.21 is: 1,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.13 : 3,270.80 = 1,322.21 : x
  2. Step 2: Convert to fraction form
    2,370.13/3,270.80 = 1,322.21/x
  3. Step 3: Cross multiply
    2,370.13x = 3,270.80 × 1,322.21
  4. Step 4: Simplify right side
    2,370.13x = 4,324,684.47
  5. Step 5: Solve for x
    x = 4,324,684.47/2,370.13
  6. Step 6: Final answer
    x = 1,824.66

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1.5x scale

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.