Home / 3,077.40-4,244.58-1,898.04

Finding the Fourth Proportional to 3,077.40, 4,244.58 and 1,898.04

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Solution

The fourth proportional to 3,077.40, 4,244.58 and 1,898.04 is: 2,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.40 : 4,244.58 = 1,898.04 : x
  2. Step 2: Convert to fraction form
    3,077.40/4,244.58 = 1,898.04/x
  3. Step 3: Cross multiply
    3,077.40x = 4,244.58 × 1,898.04
  4. Step 4: Simplify right side
    3,077.40x = 8,056,382.62
  5. Step 5: Solve for x
    x = 8,056,382.62/3,077.40
  6. Step 6: Final answer
    x = 2,617.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.