Home / 2,555.09-3,526.26-1,436.30

Finding the Fourth Proportional to 2,555.09, 3,526.26 and 1,436.30

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Solution

The fourth proportional to 2,555.09, 3,526.26 and 1,436.30 is: 1,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.09 : 3,526.26 = 1,436.30 : x
  2. Step 2: Convert to fraction form
    2,555.09/3,526.26 = 1,436.30/x
  3. Step 3: Cross multiply
    2,555.09x = 3,526.26 × 1,436.30
  4. Step 4: Simplify right side
    2,555.09x = 5,064,757.44
  5. Step 5: Solve for x
    x = 5,064,757.44/2,555.09
  6. Step 6: Final answer
    x = 1,982.22

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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.