Home / 2,310.05-3,187.58-1,301.64

Finding the Fourth Proportional to 2,310.05, 3,187.58 and 1,301.64

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Solution

The fourth proportional to 2,310.05, 3,187.58 and 1,301.64 is: 1,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.05 : 3,187.58 = 1,301.64 : x
  2. Step 2: Convert to fraction form
    2,310.05/3,187.58 = 1,301.64/x
  3. Step 3: Cross multiply
    2,310.05x = 3,187.58 × 1,301.64
  4. Step 4: Simplify right side
    2,310.05x = 4,149,075.12
  5. Step 5: Solve for x
    x = 4,149,075.12/2,310.05
  6. Step 6: Final answer
    x = 1,796.10

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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.