Home / 3,528.63-4,849.20-3,430.22

Finding the Fourth Proportional to 3,528.63, 4,849.20 and 3,430.22

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Solution

The fourth proportional to 3,528.63, 4,849.20 and 3,430.22 is: 4,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.63 : 4,849.20 = 3,430.22 : x
  2. Step 2: Convert to fraction form
    3,528.63/4,849.20 = 3,430.22/x
  3. Step 3: Cross multiply
    3,528.63x = 4,849.20 × 3,430.22
  4. Step 4: Simplify right side
    3,528.63x = 16,633,798.58
  5. Step 5: Solve for x
    x = 16,633,798.58/3,528.63
  6. Step 6: Final answer
    x = 4,713.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.