Home / 2,480.21-3,422.53-1,360.93

Finding the Fourth Proportional to 2,480.21, 3,422.53 and 1,360.93

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Solution

The fourth proportional to 2,480.21, 3,422.53 and 1,360.93 is: 1,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.21 : 3,422.53 = 1,360.93 : x
  2. Step 2: Convert to fraction form
    2,480.21/3,422.53 = 1,360.93/x
  3. Step 3: Cross multiply
    2,480.21x = 3,422.53 × 1,360.93
  4. Step 4: Simplify right side
    2,480.21x = 4,657,811.79
  5. Step 5: Solve for x
    x = 4,657,811.79/2,480.21
  6. Step 6: Final answer
    x = 1,877.99

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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.