Home / 1,084.12-1,624.36-1,043.62

Finding the Fourth Proportional to 1,084.12, 1,624.36 and 1,043.62

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Solution

The fourth proportional to 1,084.12, 1,624.36 and 1,043.62 is: 1,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.12 : 1,624.36 = 1,043.62 : x
  2. Step 2: Convert to fraction form
    1,084.12/1,624.36 = 1,043.62/x
  3. Step 3: Cross multiply
    1,084.12x = 1,624.36 × 1,043.62
  4. Step 4: Simplify right side
    1,084.12x = 1,695,214.58
  5. Step 5: Solve for x
    x = 1,695,214.58/1,084.12
  6. Step 6: Final answer
    x = 1,563.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.