Home / 3,091.90-4,637.34-1,011.87

Finding the Fourth Proportional to 3,091.90, 4,637.34 and 1,011.87

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Solution

The fourth proportional to 3,091.90, 4,637.34 and 1,011.87 is: 1,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.90 : 4,637.34 = 1,011.87 : x
  2. Step 2: Convert to fraction form
    3,091.90/4,637.34 = 1,011.87/x
  3. Step 3: Cross multiply
    3,091.90x = 4,637.34 × 1,011.87
  4. Step 4: Simplify right side
    3,091.90x = 4,692,385.23
  5. Step 5: Solve for x
    x = 4,692,385.23/3,091.90
  6. Step 6: Final answer
    x = 1,517.64

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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.