Home / 1,512.90-2,267.46-1,306.62

Finding the Fourth Proportional to 1,512.90, 2,267.46 and 1,306.62

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Solution

The fourth proportional to 1,512.90, 2,267.46 and 1,306.62 is: 1,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.90 : 2,267.46 = 1,306.62 : x
  2. Step 2: Convert to fraction form
    1,512.90/2,267.46 = 1,306.62/x
  3. Step 3: Cross multiply
    1,512.90x = 2,267.46 × 1,306.62
  4. Step 4: Simplify right side
    1,512.90x = 2,962,708.59
  5. Step 5: Solve for x
    x = 2,962,708.59/1,512.90
  6. Step 6: Final answer
    x = 1,958.30

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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.