Home / 1,345.35-2,008.96-1,268.46

Finding the Fourth Proportional to 1,345.35, 2,008.96 and 1,268.46

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Solution

The fourth proportional to 1,345.35, 2,008.96 and 1,268.46 is: 1,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345.35 : 2,008.96 = 1,268.46 : x
  2. Step 2: Convert to fraction form
    1,345.35/2,008.96 = 1,268.46/x
  3. Step 3: Cross multiply
    1,345.35x = 2,008.96 × 1,268.46
  4. Step 4: Simplify right side
    1,345.35x = 2,548,291.15
  5. Step 5: Solve for x
    x = 2,548,291.15/1,345.35
  6. Step 6: Final answer
    x = 1,894.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.