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Finding the Fourth Proportional to 1,424.88, 1,966.46 and 795.62

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Solution

The fourth proportional to 1,424.88, 1,966.46 and 795.62 is: 1,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.88 : 1,966.46 = 795.62 : x
  2. Step 2: Convert to fraction form
    1,424.88/1,966.46 = 795.62/x
  3. Step 3: Cross multiply
    1,424.88x = 1,966.46 × 795.62
  4. Step 4: Simplify right side
    1,424.88x = 1,564,554.91
  5. Step 5: Solve for x
    x = 1,564,554.91/1,424.88
  6. Step 6: Final answer
    x = 1,098.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.