Home / 1,727.60-2,592.46-631.98

Finding the Fourth Proportional to 1,727.60, 2,592.46 and 631.98

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Solution

The fourth proportional to 1,727.60, 2,592.46 and 631.98 is: 948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.60 : 2,592.46 = 631.98 : x
  2. Step 2: Convert to fraction form
    1,727.60/2,592.46 = 631.98/x
  3. Step 3: Cross multiply
    1,727.60x = 2,592.46 × 631.98
  4. Step 4: Simplify right side
    1,727.60x = 1,638,382.87
  5. Step 5: Solve for x
    x = 1,638,382.87/1,727.60
  6. Step 6: Final answer
    x = 948.36

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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.