Home / 3,421.04-4,721.08-2,023.78

Finding the Fourth Proportional to 3,421.04, 4,721.08 and 2,023.78

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Solution

The fourth proportional to 3,421.04, 4,721.08 and 2,023.78 is: 2,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.04 : 4,721.08 = 2,023.78 : x
  2. Step 2: Convert to fraction form
    3,421.04/4,721.08 = 2,023.78/x
  3. Step 3: Cross multiply
    3,421.04x = 4,721.08 × 2,023.78
  4. Step 4: Simplify right side
    3,421.04x = 9,554,427.28
  5. Step 5: Solve for x
    x = 9,554,427.28/3,421.04
  6. Step 6: Final answer
    x = 2,792.84

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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.