Home / 3,287.79-4,534.38-2,697.30

Finding the Fourth Proportional to 3,287.79, 4,534.38 and 2,697.30

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Solution

The fourth proportional to 3,287.79, 4,534.38 and 2,697.30 is: 3,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.79 : 4,534.38 = 2,697.30 : x
  2. Step 2: Convert to fraction form
    3,287.79/4,534.38 = 2,697.30/x
  3. Step 3: Cross multiply
    3,287.79x = 4,534.38 × 2,697.30
  4. Step 4: Simplify right side
    3,287.79x = 12,230,583.17
  5. Step 5: Solve for x
    x = 12,230,583.17/3,287.79
  6. Step 6: Final answer
    x = 3,720.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.