Home / 3,512.25-5,260.88-2,275.99

Finding the Fourth Proportional to 3,512.25, 5,260.88 and 2,275.99

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Solution

The fourth proportional to 3,512.25, 5,260.88 and 2,275.99 is: 3,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.25 : 5,260.88 = 2,275.99 : x
  2. Step 2: Convert to fraction form
    3,512.25/5,260.88 = 2,275.99/x
  3. Step 3: Cross multiply
    3,512.25x = 5,260.88 × 2,275.99
  4. Step 4: Simplify right side
    3,512.25x = 11,973,702.81
  5. Step 5: Solve for x
    x = 11,973,702.81/3,512.25
  6. Step 6: Final answer
    x = 3,409.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.