Home / 3,615.52-4,987.80-2,554.84

Finding the Fourth Proportional to 3,615.52, 4,987.80 and 2,554.84

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Solution

The fourth proportional to 3,615.52, 4,987.80 and 2,554.84 is: 3,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.52 : 4,987.80 = 2,554.84 : x
  2. Step 2: Convert to fraction form
    3,615.52/4,987.80 = 2,554.84/x
  3. Step 3: Cross multiply
    3,615.52x = 4,987.80 × 2,554.84
  4. Step 4: Simplify right side
    3,615.52x = 12,743,030.95
  5. Step 5: Solve for x
    x = 12,743,030.95/3,615.52
  6. Step 6: Final answer
    x = 3,524.54

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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.