Home / 2,996.48-4,135.83-1,946.72

Finding the Fourth Proportional to 2,996.48, 4,135.83 and 1,946.72

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Solution

The fourth proportional to 2,996.48, 4,135.83 and 1,946.72 is: 2,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.48 : 4,135.83 = 1,946.72 : x
  2. Step 2: Convert to fraction form
    2,996.48/4,135.83 = 1,946.72/x
  3. Step 3: Cross multiply
    2,996.48x = 4,135.83 × 1,946.72
  4. Step 4: Simplify right side
    2,996.48x = 8,051,306.02
  5. Step 5: Solve for x
    x = 8,051,306.02/2,996.48
  6. Step 6: Final answer
    x = 2,686.92

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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.