Home / 2,418.96-3,335.58-1,580.39

Finding the Fourth Proportional to 2,418.96, 3,335.58 and 1,580.39

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Solution

The fourth proportional to 2,418.96, 3,335.58 and 1,580.39 is: 2,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.96 : 3,335.58 = 1,580.39 : x
  2. Step 2: Convert to fraction form
    2,418.96/3,335.58 = 1,580.39/x
  3. Step 3: Cross multiply
    2,418.96x = 3,335.58 × 1,580.39
  4. Step 4: Simplify right side
    2,418.96x = 5,271,517.28
  5. Step 5: Solve for x
    x = 5,271,517.28/2,418.96
  6. Step 6: Final answer
    x = 2,179.25

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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.