Home / 2,600.16-3,586.96-1,890.90

Finding the Fourth Proportional to 2,600.16, 3,586.96 and 1,890.90

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Solution

The fourth proportional to 2,600.16, 3,586.96 and 1,890.90 is: 2,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.16 : 3,586.96 = 1,890.90 : x
  2. Step 2: Convert to fraction form
    2,600.16/3,586.96 = 1,890.90/x
  3. Step 3: Cross multiply
    2,600.16x = 3,586.96 × 1,890.90
  4. Step 4: Simplify right side
    2,600.16x = 6,782,582.66
  5. Step 5: Solve for x
    x = 6,782,582.66/2,600.16
  6. Step 6: Final answer
    x = 2,608.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.