Home / 3,290.31-4,535.85-2,502.99

Finding the Fourth Proportional to 3,290.31, 4,535.85 and 2,502.99

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Solution

The fourth proportional to 3,290.31, 4,535.85 and 2,502.99 is: 3,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.31 : 4,535.85 = 2,502.99 : x
  2. Step 2: Convert to fraction form
    3,290.31/4,535.85 = 2,502.99/x
  3. Step 3: Cross multiply
    3,290.31x = 4,535.85 × 2,502.99
  4. Step 4: Simplify right side
    3,290.31x = 11,353,187.19
  5. Step 5: Solve for x
    x = 11,353,187.19/3,290.31
  6. Step 6: Final answer
    x = 3,450.49

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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.