Home / 2,580.21-3,561.65-1,586.84

Finding the Fourth Proportional to 2,580.21, 3,561.65 and 1,586.84

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Solution

The fourth proportional to 2,580.21, 3,561.65 and 1,586.84 is: 2,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.21 : 3,561.65 = 1,586.84 : x
  2. Step 2: Convert to fraction form
    2,580.21/3,561.65 = 1,586.84/x
  3. Step 3: Cross multiply
    2,580.21x = 3,561.65 × 1,586.84
  4. Step 4: Simplify right side
    2,580.21x = 5,651,742.94
  5. Step 5: Solve for x
    x = 5,651,742.94/2,580.21
  6. Step 6: Final answer
    x = 2,190.42

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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.