Home / 2,695.79-4,044.90-1,378.73

Finding the Fourth Proportional to 2,695.79, 4,044.90 and 1,378.73

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Solution

The fourth proportional to 2,695.79, 4,044.90 and 1,378.73 is: 2,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.79 : 4,044.90 = 1,378.73 : x
  2. Step 2: Convert to fraction form
    2,695.79/4,044.90 = 1,378.73/x
  3. Step 3: Cross multiply
    2,695.79x = 4,044.90 × 1,378.73
  4. Step 4: Simplify right side
    2,695.79x = 5,576,824.98
  5. Step 5: Solve for x
    x = 5,576,824.98/2,695.79
  6. Step 6: Final answer
    x = 2,068.72

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1.5x scale

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.