Home / 3,126.35-4,690.65-1,461.96

Finding the Fourth Proportional to 3,126.35, 4,690.65 and 1,461.96

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Solution

The fourth proportional to 3,126.35, 4,690.65 and 1,461.96 is: 2,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.35 : 4,690.65 = 1,461.96 : x
  2. Step 2: Convert to fraction form
    3,126.35/4,690.65 = 1,461.96/x
  3. Step 3: Cross multiply
    3,126.35x = 4,690.65 × 1,461.96
  4. Step 4: Simplify right side
    3,126.35x = 6,857,542.67
  5. Step 5: Solve for x
    x = 6,857,542.67/3,126.35
  6. Step 6: Final answer
    x = 2,193.47

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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.