Home / 2,557.58-3,527.70-2,225.48

Finding the Fourth Proportional to 2,557.58, 3,527.70 and 2,225.48

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Solution

The fourth proportional to 2,557.58, 3,527.70 and 2,225.48 is: 3,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.58 : 3,527.70 = 2,225.48 : x
  2. Step 2: Convert to fraction form
    2,557.58/3,527.70 = 2,225.48/x
  3. Step 3: Cross multiply
    2,557.58x = 3,527.70 × 2,225.48
  4. Step 4: Simplify right side
    2,557.58x = 7,850,825.80
  5. Step 5: Solve for x
    x = 7,850,825.80/2,557.58
  6. Step 6: Final answer
    x = 3,069.63

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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.