Home / 3,845.05-5,306.04-2,429.51

Finding the Fourth Proportional to 3,845.05, 5,306.04 and 2,429.51

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Solution

The fourth proportional to 3,845.05, 5,306.04 and 2,429.51 is: 3,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.05 : 5,306.04 = 2,429.51 : x
  2. Step 2: Convert to fraction form
    3,845.05/5,306.04 = 2,429.51/x
  3. Step 3: Cross multiply
    3,845.05x = 5,306.04 × 2,429.51
  4. Step 4: Simplify right side
    3,845.05x = 12,891,050.71
  5. Step 5: Solve for x
    x = 12,891,050.71/3,845.05
  6. Step 6: Final answer
    x = 3,352.64

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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.