Home / 2,410.20-3,326.40-1,415.88

Finding the Fourth Proportional to 2,410.20, 3,326.40 and 1,415.88

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Solution

The fourth proportional to 2,410.20, 3,326.40 and 1,415.88 is: 1,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.20 : 3,326.40 = 1,415.88 : x
  2. Step 2: Convert to fraction form
    2,410.20/3,326.40 = 1,415.88/x
  3. Step 3: Cross multiply
    2,410.20x = 3,326.40 × 1,415.88
  4. Step 4: Simplify right side
    2,410.20x = 4,709,783.23
  5. Step 5: Solve for x
    x = 4,709,783.23/2,410.20
  6. Step 6: Final answer
    x = 1,954.10

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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.