Home / 2,578.25-3,560.35-2,440.14

Finding the Fourth Proportional to 2,578.25, 3,560.35 and 2,440.14

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Solution

The fourth proportional to 2,578.25, 3,560.35 and 2,440.14 is: 3,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.25 : 3,560.35 = 2,440.14 : x
  2. Step 2: Convert to fraction form
    2,578.25/3,560.35 = 2,440.14/x
  3. Step 3: Cross multiply
    2,578.25x = 3,560.35 × 2,440.14
  4. Step 4: Simplify right side
    2,578.25x = 8,687,752.45
  5. Step 5: Solve for x
    x = 8,687,752.45/2,578.25
  6. Step 6: Final answer
    x = 3,369.64

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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.