Home / 2,597.90-3,584.21-1,478.56

Finding the Fourth Proportional to 2,597.90, 3,584.21 and 1,478.56

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Solution

The fourth proportional to 2,597.90, 3,584.21 and 1,478.56 is: 2,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597.90 : 3,584.21 = 1,478.56 : x
  2. Step 2: Convert to fraction form
    2,597.90/3,584.21 = 1,478.56/x
  3. Step 3: Cross multiply
    2,597.90x = 3,584.21 × 1,478.56
  4. Step 4: Simplify right side
    2,597.90x = 5,299,451.62
  5. Step 5: Solve for x
    x = 5,299,451.62/2,597.90
  6. Step 6: Final answer
    x = 2,039.90

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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.