Home / 3,170.32-4,752.90-1,322.81

Finding the Fourth Proportional to 3,170.32, 4,752.90 and 1,322.81

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Solution

The fourth proportional to 3,170.32, 4,752.90 and 1,322.81 is: 1,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.32 : 4,752.90 = 1,322.81 : x
  2. Step 2: Convert to fraction form
    3,170.32/4,752.90 = 1,322.81/x
  3. Step 3: Cross multiply
    3,170.32x = 4,752.90 × 1,322.81
  4. Step 4: Simplify right side
    3,170.32x = 6,287,166.81
  5. Step 5: Solve for x
    x = 6,287,166.81/3,170.32
  6. Step 6: Final answer
    x = 1,983.14

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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.