Home / 1,829.40-2,740.68-1,437.60

Finding the Fourth Proportional to 1,829.40, 2,740.68 and 1,437.60

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Solution

The fourth proportional to 1,829.40, 2,740.68 and 1,437.60 is: 2,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.40 : 2,740.68 = 1,437.60 : x
  2. Step 2: Convert to fraction form
    1,829.40/2,740.68 = 1,437.60/x
  3. Step 3: Cross multiply
    1,829.40x = 2,740.68 × 1,437.60
  4. Step 4: Simplify right side
    1,829.40x = 3,940,001.57
  5. Step 5: Solve for x
    x = 3,940,001.57/1,829.40
  6. Step 6: Final answer
    x = 2,153.71

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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.