Home / 3,423-4,724.10-2,097.58

Finding the Fourth Proportional to 3,423, 4,724.10 and 2,097.58

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Solution

The fourth proportional to 3,423, 4,724.10 and 2,097.58 is: 2,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423 : 4,724.10 = 2,097.58 : x
  2. Step 2: Convert to fraction form
    3,423/4,724.10 = 2,097.58/x
  3. Step 3: Cross multiply
    3,423x = 4,724.10 × 2,097.58
  4. Step 4: Simplify right side
    3,423x = 9,909,177.68
  5. Step 5: Solve for x
    x = 9,909,177.68/3,423
  6. Step 6: Final answer
    x = 2,894.88

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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.