Home / 3,307.19-4,563.20-1,909.13

Finding the Fourth Proportional to 3,307.19, 4,563.20 and 1,909.13

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Solution

The fourth proportional to 3,307.19, 4,563.20 and 1,909.13 is: 2,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.19 : 4,563.20 = 1,909.13 : x
  2. Step 2: Convert to fraction form
    3,307.19/4,563.20 = 1,909.13/x
  3. Step 3: Cross multiply
    3,307.19x = 4,563.20 × 1,909.13
  4. Step 4: Simplify right side
    3,307.19x = 8,711,709.65
  5. Step 5: Solve for x
    x = 8,711,709.65/3,307.19
  6. Step 6: Final answer
    x = 2,634.18

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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.