Home / 2,625.40-3,599.53-2,578.56

Finding the Fourth Proportional to 2,625.40, 3,599.53 and 2,578.56

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Solution

The fourth proportional to 2,625.40, 3,599.53 and 2,578.56 is: 3,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.40 : 3,599.53 = 2,578.56 : x
  2. Step 2: Convert to fraction form
    2,625.40/3,599.53 = 2,578.56/x
  3. Step 3: Cross multiply
    2,625.40x = 3,599.53 × 2,578.56
  4. Step 4: Simplify right side
    2,625.40x = 9,281,604.08
  5. Step 5: Solve for x
    x = 9,281,604.08/2,625.40
  6. Step 6: Final answer
    x = 3,535.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.