Home / 2,278.77-3,412.63-1,301.91

Finding the Fourth Proportional to 2,278.77, 3,412.63 and 1,301.91

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Solution

The fourth proportional to 2,278.77, 3,412.63 and 1,301.91 is: 1,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.77 : 3,412.63 = 1,301.91 : x
  2. Step 2: Convert to fraction form
    2,278.77/3,412.63 = 1,301.91/x
  3. Step 3: Cross multiply
    2,278.77x = 3,412.63 × 1,301.91
  4. Step 4: Simplify right side
    2,278.77x = 4,442,913.55
  5. Step 5: Solve for x
    x = 4,442,913.55/2,278.77
  6. Step 6: Final answer
    x = 1,949.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.