Home / 2,320.36-3,198.76-1,656.08

Finding the Fourth Proportional to 2,320.36, 3,198.76 and 1,656.08

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Solution

The fourth proportional to 2,320.36, 3,198.76 and 1,656.08 is: 2,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.36 : 3,198.76 = 1,656.08 : x
  2. Step 2: Convert to fraction form
    2,320.36/3,198.76 = 1,656.08/x
  3. Step 3: Cross multiply
    2,320.36x = 3,198.76 × 1,656.08
  4. Step 4: Simplify right side
    2,320.36x = 5,297,402.46
  5. Step 5: Solve for x
    x = 5,297,402.46/2,320.36
  6. Step 6: Final answer
    x = 2,283.01

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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.