Home / 3,150.32-4,719.80-1,762

Finding the Fourth Proportional to 3,150.32, 4,719.80 and 1,762

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Solution

The fourth proportional to 3,150.32, 4,719.80 and 1,762 is: 2,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.32 : 4,719.80 = 1,762 : x
  2. Step 2: Convert to fraction form
    3,150.32/4,719.80 = 1,762/x
  3. Step 3: Cross multiply
    3,150.32x = 4,719.80 × 1,762
  4. Step 4: Simplify right side
    3,150.32x = 8,316,287.60
  5. Step 5: Solve for x
    x = 8,316,287.60/3,150.32
  6. Step 6: Final answer
    x = 2,639.82

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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.