Home / 2,316.08-3,193.32-1,528.88

Finding the Fourth Proportional to 2,316.08, 3,193.32 and 1,528.88

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Solution

The fourth proportional to 2,316.08, 3,193.32 and 1,528.88 is: 2,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.08 : 3,193.32 = 1,528.88 : x
  2. Step 2: Convert to fraction form
    2,316.08/3,193.32 = 1,528.88/x
  3. Step 3: Cross multiply
    2,316.08x = 3,193.32 × 1,528.88
  4. Step 4: Simplify right side
    2,316.08x = 4,882,203.08
  5. Step 5: Solve for x
    x = 4,882,203.08/2,316.08
  6. Step 6: Final answer
    x = 2,107.96

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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.