Home / 2,908.05-4,342.38-2,284.76

Finding the Fourth Proportional to 2,908.05, 4,342.38 and 2,284.76

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Solution

The fourth proportional to 2,908.05, 4,342.38 and 2,284.76 is: 3,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.05 : 4,342.38 = 2,284.76 : x
  2. Step 2: Convert to fraction form
    2,908.05/4,342.38 = 2,284.76/x
  3. Step 3: Cross multiply
    2,908.05x = 4,342.38 × 2,284.76
  4. Step 4: Simplify right side
    2,908.05x = 9,921,274.42
  5. Step 5: Solve for x
    x = 9,921,274.42/2,908.05
  6. Step 6: Final answer
    x = 3,411.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.