Home / 2,631.60-3,952.08-2,272.32

Finding the Fourth Proportional to 2,631.60, 3,952.08 and 2,272.32

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Solution

The fourth proportional to 2,631.60, 3,952.08 and 2,272.32 is: 3,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.60 : 3,952.08 = 2,272.32 : x
  2. Step 2: Convert to fraction form
    2,631.60/3,952.08 = 2,272.32/x
  3. Step 3: Cross multiply
    2,631.60x = 3,952.08 × 2,272.32
  4. Step 4: Simplify right side
    2,631.60x = 8,980,390.43
  5. Step 5: Solve for x
    x = 8,980,390.43/2,631.60
  6. Step 6: Final answer
    x = 3,412.52

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1.5x scale

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.