Home / 2,422.99-3,343.45-1,360.54

Finding the Fourth Proportional to 2,422.99, 3,343.45 and 1,360.54

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Solution

The fourth proportional to 2,422.99, 3,343.45 and 1,360.54 is: 1,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.99 : 3,343.45 = 1,360.54 : x
  2. Step 2: Convert to fraction form
    2,422.99/3,343.45 = 1,360.54/x
  3. Step 3: Cross multiply
    2,422.99x = 3,343.45 × 1,360.54
  4. Step 4: Simplify right side
    2,422.99x = 4,548,897.46
  5. Step 5: Solve for x
    x = 4,548,897.46/2,422.99
  6. Step 6: Final answer
    x = 1,877.39

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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.