Home / 1,962.45-2,943.75-501.64

Finding the Fourth Proportional to 1,962.45, 2,943.75 and 501.64

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Solution

The fourth proportional to 1,962.45, 2,943.75 and 501.64 is: 752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.45 : 2,943.75 = 501.64 : x
  2. Step 2: Convert to fraction form
    1,962.45/2,943.75 = 501.64/x
  3. Step 3: Cross multiply
    1,962.45x = 2,943.75 × 501.64
  4. Step 4: Simplify right side
    1,962.45x = 1,476,702.75
  5. Step 5: Solve for x
    x = 1,476,702.75/1,962.45
  6. Step 6: Final answer
    x = 752.48

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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.