Home / 2,349.51-3,241.79-1,405.14

Finding the Fourth Proportional to 2,349.51, 3,241.79 and 1,405.14

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Solution

The fourth proportional to 2,349.51, 3,241.79 and 1,405.14 is: 1,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.51 : 3,241.79 = 1,405.14 : x
  2. Step 2: Convert to fraction form
    2,349.51/3,241.79 = 1,405.14/x
  3. Step 3: Cross multiply
    2,349.51x = 3,241.79 × 1,405.14
  4. Step 4: Simplify right side
    2,349.51x = 4,555,168.80
  5. Step 5: Solve for x
    x = 4,555,168.80/2,349.51
  6. Step 6: Final answer
    x = 1,938.77

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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.