Home / 2,084.70-3,127.05-1,459.80

Finding the Fourth Proportional to 2,084.70, 3,127.05 and 1,459.80

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Solution

The fourth proportional to 2,084.70, 3,127.05 and 1,459.80 is: 2,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.70 : 3,127.05 = 1,459.80 : x
  2. Step 2: Convert to fraction form
    2,084.70/3,127.05 = 1,459.80/x
  3. Step 3: Cross multiply
    2,084.70x = 3,127.05 × 1,459.80
  4. Step 4: Simplify right side
    2,084.70x = 4,564,867.59
  5. Step 5: Solve for x
    x = 4,564,867.59/2,084.70
  6. Step 6: Final answer
    x = 2,189.70

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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.