Home / 2,068.85-3,107.39-1,237.52

Finding the Fourth Proportional to 2,068.85, 3,107.39 and 1,237.52

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Solution

The fourth proportional to 2,068.85, 3,107.39 and 1,237.52 is: 1,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.85 : 3,107.39 = 1,237.52 : x
  2. Step 2: Convert to fraction form
    2,068.85/3,107.39 = 1,237.52/x
  3. Step 3: Cross multiply
    2,068.85x = 3,107.39 × 1,237.52
  4. Step 4: Simplify right side
    2,068.85x = 3,845,457.27
  5. Step 5: Solve for x
    x = 3,845,457.27/2,068.85
  6. Step 6: Final answer
    x = 1,858.74

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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.