Home / 3,106.32-4,652.28-1,871.03

Finding the Fourth Proportional to 3,106.32, 4,652.28 and 1,871.03

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Solution

The fourth proportional to 3,106.32, 4,652.28 and 1,871.03 is: 2,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.32 : 4,652.28 = 1,871.03 : x
  2. Step 2: Convert to fraction form
    3,106.32/4,652.28 = 1,871.03/x
  3. Step 3: Cross multiply
    3,106.32x = 4,652.28 × 1,871.03
  4. Step 4: Simplify right side
    3,106.32x = 8,704,555.45
  5. Step 5: Solve for x
    x = 8,704,555.45/3,106.32
  6. Step 6: Final answer
    x = 2,802.21

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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.