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Finding the Fourth Proportional to 1,952.82, 2,924.10 and 1,642.32

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Solution

The fourth proportional to 1,952.82, 2,924.10 and 1,642.32 is: 2,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.82 : 2,924.10 = 1,642.32 : x
  2. Step 2: Convert to fraction form
    1,952.82/2,924.10 = 1,642.32/x
  3. Step 3: Cross multiply
    1,952.82x = 2,924.10 × 1,642.32
  4. Step 4: Simplify right side
    1,952.82x = 4,802,307.91
  5. Step 5: Solve for x
    x = 4,802,307.91/1,952.82
  6. Step 6: Final answer
    x = 2,459.17

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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.