Home / 3,287.12-4,533.18-2,490.08

Finding the Fourth Proportional to 3,287.12, 4,533.18 and 2,490.08

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Solution

The fourth proportional to 3,287.12, 4,533.18 and 2,490.08 is: 3,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.12 : 4,533.18 = 2,490.08 : x
  2. Step 2: Convert to fraction form
    3,287.12/4,533.18 = 2,490.08/x
  3. Step 3: Cross multiply
    3,287.12x = 4,533.18 × 2,490.08
  4. Step 4: Simplify right side
    3,287.12x = 11,287,980.85
  5. Step 5: Solve for x
    x = 11,287,980.85/3,287.12
  6. Step 6: Final answer
    x = 3,434.00

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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.