Home / 2,512.60-3,465.66-1,768.12

Finding the Fourth Proportional to 2,512.60, 3,465.66 and 1,768.12

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Solution

The fourth proportional to 2,512.60, 3,465.66 and 1,768.12 is: 2,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.60 : 3,465.66 = 1,768.12 : x
  2. Step 2: Convert to fraction form
    2,512.60/3,465.66 = 1,768.12/x
  3. Step 3: Cross multiply
    2,512.60x = 3,465.66 × 1,768.12
  4. Step 4: Simplify right side
    2,512.60x = 6,127,702.76
  5. Step 5: Solve for x
    x = 6,127,702.76/2,512.60
  6. Step 6: Final answer
    x = 2,438.79

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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.