Home / 2,095.60-3,139.80-1,364.80

Finding the Fourth Proportional to 2,095.60, 3,139.80 and 1,364.80

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Solution

The fourth proportional to 2,095.60, 3,139.80 and 1,364.80 is: 2,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.60 : 3,139.80 = 1,364.80 : x
  2. Step 2: Convert to fraction form
    2,095.60/3,139.80 = 1,364.80/x
  3. Step 3: Cross multiply
    2,095.60x = 3,139.80 × 1,364.80
  4. Step 4: Simplify right side
    2,095.60x = 4,285,199.04
  5. Step 5: Solve for x
    x = 4,285,199.04/2,095.60
  6. Step 6: Final answer
    x = 2,044.86

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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.