Home / 2,468.25-3,406.59-1,420.92

Finding the Fourth Proportional to 2,468.25, 3,406.59 and 1,420.92

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Solution

The fourth proportional to 2,468.25, 3,406.59 and 1,420.92 is: 1,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.25 : 3,406.59 = 1,420.92 : x
  2. Step 2: Convert to fraction form
    2,468.25/3,406.59 = 1,420.92/x
  3. Step 3: Cross multiply
    2,468.25x = 3,406.59 × 1,420.92
  4. Step 4: Simplify right side
    2,468.25x = 4,840,491.86
  5. Step 5: Solve for x
    x = 4,840,491.86/2,468.25
  6. Step 6: Final answer
    x = 1,961.10

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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.