Home / 2,600.45-3,590.09-1,718.81

Finding the Fourth Proportional to 2,600.45, 3,590.09 and 1,718.81

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Solution

The fourth proportional to 2,600.45, 3,590.09 and 1,718.81 is: 2,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.45 : 3,590.09 = 1,718.81 : x
  2. Step 2: Convert to fraction form
    2,600.45/3,590.09 = 1,718.81/x
  3. Step 3: Cross multiply
    2,600.45x = 3,590.09 × 1,718.81
  4. Step 4: Simplify right side
    2,600.45x = 6,170,656.05
  5. Step 5: Solve for x
    x = 6,170,656.05/2,600.45
  6. Step 6: Final answer
    x = 2,372.92

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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.