Home / 3,465.09-4,782.21-2,049.21

Finding the Fourth Proportional to 3,465.09, 4,782.21 and 2,049.21

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Solution

The fourth proportional to 3,465.09, 4,782.21 and 2,049.21 is: 2,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.09 : 4,782.21 = 2,049.21 : x
  2. Step 2: Convert to fraction form
    3,465.09/4,782.21 = 2,049.21/x
  3. Step 3: Cross multiply
    3,465.09x = 4,782.21 × 2,049.21
  4. Step 4: Simplify right side
    3,465.09x = 9,799,752.55
  5. Step 5: Solve for x
    x = 9,799,752.55/3,465.09
  6. Step 6: Final answer
    x = 2,828.14

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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.