Home / 2,605.05-3,595.26-1,660.88

Finding the Fourth Proportional to 2,605.05, 3,595.26 and 1,660.88

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Solution

The fourth proportional to 2,605.05, 3,595.26 and 1,660.88 is: 2,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.05 : 3,595.26 = 1,660.88 : x
  2. Step 2: Convert to fraction form
    2,605.05/3,595.26 = 1,660.88/x
  3. Step 3: Cross multiply
    2,605.05x = 3,595.26 × 1,660.88
  4. Step 4: Simplify right side
    2,605.05x = 5,971,269.15
  5. Step 5: Solve for x
    x = 5,971,269.15/2,605.05
  6. Step 6: Final answer
    x = 2,292.19

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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.