Home / 2,731.70-3,769.55-1,612.58

Finding the Fourth Proportional to 2,731.70, 3,769.55 and 1,612.58

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Solution

The fourth proportional to 2,731.70, 3,769.55 and 1,612.58 is: 2,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.70 : 3,769.55 = 1,612.58 : x
  2. Step 2: Convert to fraction form
    2,731.70/3,769.55 = 1,612.58/x
  3. Step 3: Cross multiply
    2,731.70x = 3,769.55 × 1,612.58
  4. Step 4: Simplify right side
    2,731.70x = 6,078,674.03
  5. Step 5: Solve for x
    x = 6,078,674.03/2,731.70
  6. Step 6: Final answer
    x = 2,225.24

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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.