Home / 2,575.55-3,554.79-1,528.22

Finding the Fourth Proportional to 2,575.55, 3,554.79 and 1,528.22

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Solution

The fourth proportional to 2,575.55, 3,554.79 and 1,528.22 is: 2,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.55 : 3,554.79 = 1,528.22 : x
  2. Step 2: Convert to fraction form
    2,575.55/3,554.79 = 1,528.22/x
  3. Step 3: Cross multiply
    2,575.55x = 3,554.79 × 1,528.22
  4. Step 4: Simplify right side
    2,575.55x = 5,432,504.33
  5. Step 5: Solve for x
    x = 5,432,504.33/2,575.55
  6. Step 6: Final answer
    x = 2,109.26

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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.