Home / 3,419.52-4,719.36-2,490.24

Finding the Fourth Proportional to 3,419.52, 4,719.36 and 2,490.24

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Solution

The fourth proportional to 3,419.52, 4,719.36 and 2,490.24 is: 3,436.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.52 : 4,719.36 = 2,490.24 : x
  2. Step 2: Convert to fraction form
    3,419.52/4,719.36 = 2,490.24/x
  3. Step 3: Cross multiply
    3,419.52x = 4,719.36 × 2,490.24
  4. Step 4: Simplify right side
    3,419.52x = 11,752,339.05
  5. Step 5: Solve for x
    x = 11,752,339.05/3,419.52
  6. Step 6: Final answer
    x = 3,436.84

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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.