Home / 2,479.93-3,422.29-1,360.84

Finding the Fourth Proportional to 2,479.93, 3,422.29 and 1,360.84

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Solution

The fourth proportional to 2,479.93, 3,422.29 and 1,360.84 is: 1,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.93 : 3,422.29 = 1,360.84 : x
  2. Step 2: Convert to fraction form
    2,479.93/3,422.29 = 1,360.84/x
  3. Step 3: Cross multiply
    2,479.93x = 3,422.29 × 1,360.84
  4. Step 4: Simplify right side
    2,479.93x = 4,657,189.12
  5. Step 5: Solve for x
    x = 4,657,189.12/2,479.93
  6. Step 6: Final answer
    x = 1,877.95

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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.