Home / 1,729.32-2,581.44-1,600.85

Finding the Fourth Proportional to 1,729.32, 2,581.44 and 1,600.85

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Solution

The fourth proportional to 1,729.32, 2,581.44 and 1,600.85 is: 2,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.32 : 2,581.44 = 1,600.85 : x
  2. Step 2: Convert to fraction form
    1,729.32/2,581.44 = 1,600.85/x
  3. Step 3: Cross multiply
    1,729.32x = 2,581.44 × 1,600.85
  4. Step 4: Simplify right side
    1,729.32x = 4,132,485.32
  5. Step 5: Solve for x
    x = 4,132,485.32/1,729.32
  6. Step 6: Final answer
    x = 2,389.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.