Home / 1,975.10-2,964.48-1,424.72

Finding the Fourth Proportional to 1,975.10, 2,964.48 and 1,424.72

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Solution

The fourth proportional to 1,975.10, 2,964.48 and 1,424.72 is: 2,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.10 : 2,964.48 = 1,424.72 : x
  2. Step 2: Convert to fraction form
    1,975.10/2,964.48 = 1,424.72/x
  3. Step 3: Cross multiply
    1,975.10x = 2,964.48 × 1,424.72
  4. Step 4: Simplify right side
    1,975.10x = 4,223,553.95
  5. Step 5: Solve for x
    x = 4,223,553.95/1,975.10
  6. Step 6: Final answer
    x = 2,138.40

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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.