Home / 2,084.09-3,124.31-786.47

Finding the Fourth Proportional to 2,084.09, 3,124.31 and 786.47

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Solution

The fourth proportional to 2,084.09, 3,124.31 and 786.47 is: 1,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.09 : 3,124.31 = 786.47 : x
  2. Step 2: Convert to fraction form
    2,084.09/3,124.31 = 786.47/x
  3. Step 3: Cross multiply
    2,084.09x = 3,124.31 × 786.47
  4. Step 4: Simplify right side
    2,084.09x = 2,457,156.53
  5. Step 5: Solve for x
    x = 2,457,156.53/2,084.09
  6. Step 6: Final answer
    x = 1,179.01

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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.