Home / 1,268.17-1,900.97-609.08

Finding the Fourth Proportional to 1,268.17, 1,900.97 and 609.08

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Solution

The fourth proportional to 1,268.17, 1,900.97 and 609.08 is: 913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268.17 : 1,900.97 = 609.08 : x
  2. Step 2: Convert to fraction form
    1,268.17/1,900.97 = 609.08/x
  3. Step 3: Cross multiply
    1,268.17x = 1,900.97 × 609.08
  4. Step 4: Simplify right side
    1,268.17x = 1,157,842.81
  5. Step 5: Solve for x
    x = 1,157,842.81/1,268.17
  6. Step 6: Final answer
    x = 913.00

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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.