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Finding the Fourth Proportional to 2,468.51, 3,406.49 and 1,349.42

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Solution

The fourth proportional to 2,468.51, 3,406.49 and 1,349.42 is: 1,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.51 : 3,406.49 = 1,349.42 : x
  2. Step 2: Convert to fraction form
    2,468.51/3,406.49 = 1,349.42/x
  3. Step 3: Cross multiply
    2,468.51x = 3,406.49 × 1,349.42
  4. Step 4: Simplify right side
    2,468.51x = 4,596,778.99
  5. Step 5: Solve for x
    x = 4,596,778.99/2,468.51
  6. Step 6: Final answer
    x = 1,862.17

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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.