Home / 2,415.98-3,331.50-1,825.58

Finding the Fourth Proportional to 2,415.98, 3,331.50 and 1,825.58

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Solution

The fourth proportional to 2,415.98, 3,331.50 and 1,825.58 is: 2,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.98 : 3,331.50 = 1,825.58 : x
  2. Step 2: Convert to fraction form
    2,415.98/3,331.50 = 1,825.58/x
  3. Step 3: Cross multiply
    2,415.98x = 3,331.50 × 1,825.58
  4. Step 4: Simplify right side
    2,415.98x = 6,081,919.77
  5. Step 5: Solve for x
    x = 6,081,919.77/2,415.98
  6. Step 6: Final answer
    x = 2,517.37

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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.