Home / 2,475.43-3,415.48-1,518.85

Finding the Fourth Proportional to 2,475.43, 3,415.48 and 1,518.85

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Solution

The fourth proportional to 2,475.43, 3,415.48 and 1,518.85 is: 2,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.43 : 3,415.48 = 1,518.85 : x
  2. Step 2: Convert to fraction form
    2,475.43/3,415.48 = 1,518.85/x
  3. Step 3: Cross multiply
    2,475.43x = 3,415.48 × 1,518.85
  4. Step 4: Simplify right side
    2,475.43x = 5,187,601.80
  5. Step 5: Solve for x
    x = 5,187,601.80/2,475.43
  6. Step 6: Final answer
    x = 2,095.64

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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.