Home / 2,043.75-3,065.45-1,263.87

Finding the Fourth Proportional to 2,043.75, 3,065.45 and 1,263.87

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Solution

The fourth proportional to 2,043.75, 3,065.45 and 1,263.87 is: 1,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.75 : 3,065.45 = 1,263.87 : x
  2. Step 2: Convert to fraction form
    2,043.75/3,065.45 = 1,263.87/x
  3. Step 3: Cross multiply
    2,043.75x = 3,065.45 × 1,263.87
  4. Step 4: Simplify right side
    2,043.75x = 3,874,330.29
  5. Step 5: Solve for x
    x = 3,874,330.29/2,043.75
  6. Step 6: Final answer
    x = 1,895.70

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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.