Home / 3,140.64-4,701.24-2,674.08

Finding the Fourth Proportional to 3,140.64, 4,701.24 and 2,674.08

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Solution

The fourth proportional to 3,140.64, 4,701.24 and 2,674.08 is: 4,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.64 : 4,701.24 = 2,674.08 : x
  2. Step 2: Convert to fraction form
    3,140.64/4,701.24 = 2,674.08/x
  3. Step 3: Cross multiply
    3,140.64x = 4,701.24 × 2,674.08
  4. Step 4: Simplify right side
    3,140.64x = 12,571,491.86
  5. Step 5: Solve for x
    x = 12,571,491.86/3,140.64
  6. Step 6: Final answer
    x = 4,002.84

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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.