Home / 1,861.45-2,562.37-1,609.26

Finding the Fourth Proportional to 1,861.45, 2,562.37 and 1,609.26

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Solution

The fourth proportional to 1,861.45, 2,562.37 and 1,609.26 is: 2,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.45 : 2,562.37 = 1,609.26 : x
  2. Step 2: Convert to fraction form
    1,861.45/2,562.37 = 1,609.26/x
  3. Step 3: Cross multiply
    1,861.45x = 2,562.37 × 1,609.26
  4. Step 4: Simplify right side
    1,861.45x = 4,123,525.13
  5. Step 5: Solve for x
    x = 4,123,525.13/1,861.45
  6. Step 6: Final answer
    x = 2,215.22

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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.