Home / 3,645.30-5,029.65-2,074.26

Finding the Fourth Proportional to 3,645.30, 5,029.65 and 2,074.26

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Solution

The fourth proportional to 3,645.30, 5,029.65 and 2,074.26 is: 2,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.30 : 5,029.65 = 2,074.26 : x
  2. Step 2: Convert to fraction form
    3,645.30/5,029.65 = 2,074.26/x
  3. Step 3: Cross multiply
    3,645.30x = 5,029.65 × 2,074.26
  4. Step 4: Simplify right side
    3,645.30x = 10,432,801.81
  5. Step 5: Solve for x
    x = 10,432,801.81/3,645.30
  6. Step 6: Final answer
    x = 2,861.99

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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.