Home / 2,578.24-3,555.36-1,738.84

Finding the Fourth Proportional to 2,578.24, 3,555.36 and 1,738.84

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Solution

The fourth proportional to 2,578.24, 3,555.36 and 1,738.84 is: 2,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.24 : 3,555.36 = 1,738.84 : x
  2. Step 2: Convert to fraction form
    2,578.24/3,555.36 = 1,738.84/x
  3. Step 3: Cross multiply
    2,578.24x = 3,555.36 × 1,738.84
  4. Step 4: Simplify right side
    2,578.24x = 6,182,202.18
  5. Step 5: Solve for x
    x = 6,182,202.18/2,578.24
  6. Step 6: Final answer
    x = 2,397.84

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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.