Home / 1,738.32-2,608.68-1,276.32

Finding the Fourth Proportional to 1,738.32, 2,608.68 and 1,276.32

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Solution

The fourth proportional to 1,738.32, 2,608.68 and 1,276.32 is: 1,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.32 : 2,608.68 = 1,276.32 : x
  2. Step 2: Convert to fraction form
    1,738.32/2,608.68 = 1,276.32/x
  3. Step 3: Cross multiply
    1,738.32x = 2,608.68 × 1,276.32
  4. Step 4: Simplify right side
    1,738.32x = 3,329,510.46
  5. Step 5: Solve for x
    x = 3,329,510.46/1,738.32
  6. Step 6: Final answer
    x = 1,915.36

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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.