Home / 2,316.91-3,197.51-1,322.48

Finding the Fourth Proportional to 2,316.91, 3,197.51 and 1,322.48

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Solution

The fourth proportional to 2,316.91, 3,197.51 and 1,322.48 is: 1,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.91 : 3,197.51 = 1,322.48 : x
  2. Step 2: Convert to fraction form
    2,316.91/3,197.51 = 1,322.48/x
  3. Step 3: Cross multiply
    2,316.91x = 3,197.51 × 1,322.48
  4. Step 4: Simplify right side
    2,316.91x = 4,228,643.02
  5. Step 5: Solve for x
    x = 4,228,643.02/2,316.91
  6. Step 6: Final answer
    x = 1,825.12

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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.