Home / 2,935.28-4,053.72-2,685.68

Finding the Fourth Proportional to 2,935.28, 4,053.72 and 2,685.68

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Solution

The fourth proportional to 2,935.28, 4,053.72 and 2,685.68 is: 3,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.28 : 4,053.72 = 2,685.68 : x
  2. Step 2: Convert to fraction form
    2,935.28/4,053.72 = 2,685.68/x
  3. Step 3: Cross multiply
    2,935.28x = 4,053.72 × 2,685.68
  4. Step 4: Simplify right side
    2,935.28x = 10,886,994.73
  5. Step 5: Solve for x
    x = 10,886,994.73/2,935.28
  6. Step 6: Final answer
    x = 3,709.01

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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.