Home / 2,614.08-3,894.68-2,555.76

Finding the Fourth Proportional to 2,614.08, 3,894.68 and 2,555.76

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Solution

The fourth proportional to 2,614.08, 3,894.68 and 2,555.76 is: 3,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.08 : 3,894.68 = 2,555.76 : x
  2. Step 2: Convert to fraction form
    2,614.08/3,894.68 = 2,555.76/x
  3. Step 3: Cross multiply
    2,614.08x = 3,894.68 × 2,555.76
  4. Step 4: Simplify right side
    2,614.08x = 9,953,867.36
  5. Step 5: Solve for x
    x = 9,953,867.36/2,614.08
  6. Step 6: Final answer
    x = 3,807.79

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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.