Home / 2,600.44-3,898.52-1,780.32

Finding the Fourth Proportional to 2,600.44, 3,898.52 and 1,780.32

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Solution

The fourth proportional to 2,600.44, 3,898.52 and 1,780.32 is: 2,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.44 : 3,898.52 = 1,780.32 : x
  2. Step 2: Convert to fraction form
    2,600.44/3,898.52 = 1,780.32/x
  3. Step 3: Cross multiply
    2,600.44x = 3,898.52 × 1,780.32
  4. Step 4: Simplify right side
    2,600.44x = 6,940,613.13
  5. Step 5: Solve for x
    x = 6,940,613.13/2,600.44
  6. Step 6: Final answer
    x = 2,669.01

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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.