Home / 1,760.76-2,635.66-1,299.06

Finding the Fourth Proportional to 1,760.76, 2,635.66 and 1,299.06

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Solution

The fourth proportional to 1,760.76, 2,635.66 and 1,299.06 is: 1,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.76 : 2,635.66 = 1,299.06 : x
  2. Step 2: Convert to fraction form
    1,760.76/2,635.66 = 1,299.06/x
  3. Step 3: Cross multiply
    1,760.76x = 2,635.66 × 1,299.06
  4. Step 4: Simplify right side
    1,760.76x = 3,423,880.48
  5. Step 5: Solve for x
    x = 3,423,880.48/1,760.76
  6. Step 6: Final answer
    x = 1,944.55

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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.