Home / 2,693.85-4,036.87-1,860.05

Finding the Fourth Proportional to 2,693.85, 4,036.87 and 1,860.05

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Solution

The fourth proportional to 2,693.85, 4,036.87 and 1,860.05 is: 2,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.85 : 4,036.87 = 1,860.05 : x
  2. Step 2: Convert to fraction form
    2,693.85/4,036.87 = 1,860.05/x
  3. Step 3: Cross multiply
    2,693.85x = 4,036.87 × 1,860.05
  4. Step 4: Simplify right side
    2,693.85x = 7,508,785.49
  5. Step 5: Solve for x
    x = 7,508,785.49/2,693.85
  6. Step 6: Final answer
    x = 2,787.38

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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.