Home / 3,678.06-5,073.45-2,419.26

Finding the Fourth Proportional to 3,678.06, 5,073.45 and 2,419.26

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Solution

The fourth proportional to 3,678.06, 5,073.45 and 2,419.26 is: 3,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.06 : 5,073.45 = 2,419.26 : x
  2. Step 2: Convert to fraction form
    3,678.06/5,073.45 = 2,419.26/x
  3. Step 3: Cross multiply
    3,678.06x = 5,073.45 × 2,419.26
  4. Step 4: Simplify right side
    3,678.06x = 12,273,994.65
  5. Step 5: Solve for x
    x = 12,273,994.65/3,678.06
  6. Step 6: Final answer
    x = 3,337.08

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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.