Home / 2,458.09-3,389.67-1,749.74

Finding the Fourth Proportional to 2,458.09, 3,389.67 and 1,749.74

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Solution

The fourth proportional to 2,458.09, 3,389.67 and 1,749.74 is: 2,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.09 : 3,389.67 = 1,749.74 : x
  2. Step 2: Convert to fraction form
    2,458.09/3,389.67 = 1,749.74/x
  3. Step 3: Cross multiply
    2,458.09x = 3,389.67 × 1,749.74
  4. Step 4: Simplify right side
    2,458.09x = 5,931,049.66
  5. Step 5: Solve for x
    x = 5,931,049.66/2,458.09
  6. Step 6: Final answer
    x = 2,412.87

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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.