Home / 2,316.80-3,197.19-1,322.10

Finding the Fourth Proportional to 2,316.80, 3,197.19 and 1,322.10

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Solution

The fourth proportional to 2,316.80, 3,197.19 and 1,322.10 is: 1,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.80 : 3,197.19 = 1,322.10 : x
  2. Step 2: Convert to fraction form
    2,316.80/3,197.19 = 1,322.10/x
  3. Step 3: Cross multiply
    2,316.80x = 3,197.19 × 1,322.10
  4. Step 4: Simplify right side
    2,316.80x = 4,227,004.90
  5. Step 5: Solve for x
    x = 4,227,004.90/2,316.80
  6. Step 6: Final answer
    x = 1,824.51

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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.