Home / 2,350.25-3,242.49-1,406.07

Finding the Fourth Proportional to 2,350.25, 3,242.49 and 1,406.07

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Solution

The fourth proportional to 2,350.25, 3,242.49 and 1,406.07 is: 1,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.25 : 3,242.49 = 1,406.07 : x
  2. Step 2: Convert to fraction form
    2,350.25/3,242.49 = 1,406.07/x
  3. Step 3: Cross multiply
    2,350.25x = 3,242.49 × 1,406.07
  4. Step 4: Simplify right side
    2,350.25x = 4,559,162.64
  5. Step 5: Solve for x
    x = 4,559,162.64/2,350.25
  6. Step 6: Final answer
    x = 1,939.86

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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.