Home / 2,701.68-3,727.70-1,705.76

Finding the Fourth Proportional to 2,701.68, 3,727.70 and 1,705.76

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Solution

The fourth proportional to 2,701.68, 3,727.70 and 1,705.76 is: 2,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.68 : 3,727.70 = 1,705.76 : x
  2. Step 2: Convert to fraction form
    2,701.68/3,727.70 = 1,705.76/x
  3. Step 3: Cross multiply
    2,701.68x = 3,727.70 × 1,705.76
  4. Step 4: Simplify right side
    2,701.68x = 6,358,561.55
  5. Step 5: Solve for x
    x = 6,358,561.55/2,701.68
  6. Step 6: Final answer
    x = 2,353.56

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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.