Home / 2,403.29-3,604.92-1,087.50

Finding the Fourth Proportional to 2,403.29, 3,604.92 and 1,087.50

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Solution

The fourth proportional to 2,403.29, 3,604.92 and 1,087.50 is: 1,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.29 : 3,604.92 = 1,087.50 : x
  2. Step 2: Convert to fraction form
    2,403.29/3,604.92 = 1,087.50/x
  3. Step 3: Cross multiply
    2,403.29x = 3,604.92 × 1,087.50
  4. Step 4: Simplify right side
    2,403.29x = 3,920,359.94
  5. Step 5: Solve for x
    x = 3,920,359.94/2,403.29
  6. Step 6: Final answer
    x = 1,631.25

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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.