Home / 2,434.86-3,360.23-1,372.80

Finding the Fourth Proportional to 2,434.86, 3,360.23 and 1,372.80

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Solution

The fourth proportional to 2,434.86, 3,360.23 and 1,372.80 is: 1,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.86 : 3,360.23 = 1,372.80 : x
  2. Step 2: Convert to fraction form
    2,434.86/3,360.23 = 1,372.80/x
  3. Step 3: Cross multiply
    2,434.86x = 3,360.23 × 1,372.80
  4. Step 4: Simplify right side
    2,434.86x = 4,612,923.45
  5. Step 5: Solve for x
    x = 4,612,923.45/2,434.86
  6. Step 6: Final answer
    x = 1,894.53

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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.