Home / 2,084.32-3,127.70-1,110.70

Finding the Fourth Proportional to 2,084.32, 3,127.70 and 1,110.70

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Solution

The fourth proportional to 2,084.32, 3,127.70 and 1,110.70 is: 1,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.32 : 3,127.70 = 1,110.70 : x
  2. Step 2: Convert to fraction form
    2,084.32/3,127.70 = 1,110.70/x
  3. Step 3: Cross multiply
    2,084.32x = 3,127.70 × 1,110.70
  4. Step 4: Simplify right side
    2,084.32x = 3,473,936.39
  5. Step 5: Solve for x
    x = 3,473,936.39/2,084.32
  6. Step 6: Final answer
    x = 1,666.70

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1.5x scale

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.