Home / 2,954.10-4,429.08-1,309.76

Finding the Fourth Proportional to 2,954.10, 4,429.08 and 1,309.76

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Solution

The fourth proportional to 2,954.10, 4,429.08 and 1,309.76 is: 1,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.10 : 4,429.08 = 1,309.76 : x
  2. Step 2: Convert to fraction form
    2,954.10/4,429.08 = 1,309.76/x
  3. Step 3: Cross multiply
    2,954.10x = 4,429.08 × 1,309.76
  4. Step 4: Simplify right side
    2,954.10x = 5,801,031.82
  5. Step 5: Solve for x
    x = 5,801,031.82/2,954.10
  6. Step 6: Final answer
    x = 1,963.72

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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.