Home / 3,046.04-4,203.78-2,421.72

Finding the Fourth Proportional to 3,046.04, 4,203.78 and 2,421.72

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Solution

The fourth proportional to 3,046.04, 4,203.78 and 2,421.72 is: 3,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.04 : 4,203.78 = 2,421.72 : x
  2. Step 2: Convert to fraction form
    3,046.04/4,203.78 = 2,421.72/x
  3. Step 3: Cross multiply
    3,046.04x = 4,203.78 × 2,421.72
  4. Step 4: Simplify right side
    3,046.04x = 10,180,375.83
  5. Step 5: Solve for x
    x = 10,180,375.83/3,046.04
  6. Step 6: Final answer
    x = 3,342.17

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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.