Home / 2,316.79-3,196.87-1,322.01

Finding the Fourth Proportional to 2,316.79, 3,196.87 and 1,322.01

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Solution

The fourth proportional to 2,316.79, 3,196.87 and 1,322.01 is: 1,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.79 : 3,196.87 = 1,322.01 : x
  2. Step 2: Convert to fraction form
    2,316.79/3,196.87 = 1,322.01/x
  3. Step 3: Cross multiply
    2,316.79x = 3,196.87 × 1,322.01
  4. Step 4: Simplify right side
    2,316.79x = 4,226,296.80
  5. Step 5: Solve for x
    x = 4,226,296.80/2,316.79
  6. Step 6: Final answer
    x = 1,824.20

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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.