Home / 1,860.30-2,784.96-1,629.64

Finding the Fourth Proportional to 1,860.30, 2,784.96 and 1,629.64

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Solution

The fourth proportional to 1,860.30, 2,784.96 and 1,629.64 is: 2,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.30 : 2,784.96 = 1,629.64 : x
  2. Step 2: Convert to fraction form
    1,860.30/2,784.96 = 1,629.64/x
  3. Step 3: Cross multiply
    1,860.30x = 2,784.96 × 1,629.64
  4. Step 4: Simplify right side
    1,860.30x = 4,538,482.21
  5. Step 5: Solve for x
    x = 4,538,482.21/1,860.30
  6. Step 6: Final answer
    x = 2,439.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.