Home / 1,727.60-2,591.38-631.96

Finding the Fourth Proportional to 1,727.60, 2,591.38 and 631.96

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Solution

The fourth proportional to 1,727.60, 2,591.38 and 631.96 is: 947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.60 : 2,591.38 = 631.96 : x
  2. Step 2: Convert to fraction form
    1,727.60/2,591.38 = 631.96/x
  3. Step 3: Cross multiply
    1,727.60x = 2,591.38 × 631.96
  4. Step 4: Simplify right side
    1,727.60x = 1,637,648.50
  5. Step 5: Solve for x
    x = 1,637,648.50/1,727.60
  6. Step 6: Final answer
    x = 947.93

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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.