Home / 2,450.16-3,381.12-1,402.08

Finding the Fourth Proportional to 2,450.16, 3,381.12 and 1,402.08

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Solution

The fourth proportional to 2,450.16, 3,381.12 and 1,402.08 is: 1,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.16 : 3,381.12 = 1,402.08 : x
  2. Step 2: Convert to fraction form
    2,450.16/3,381.12 = 1,402.08/x
  3. Step 3: Cross multiply
    2,450.16x = 3,381.12 × 1,402.08
  4. Step 4: Simplify right side
    2,450.16x = 4,740,600.73
  5. Step 5: Solve for x
    x = 4,740,600.73/2,450.16
  6. Step 6: Final answer
    x = 1,934.81

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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.