Home / 3,491.52-4,815.72-2,703.84

Finding the Fourth Proportional to 3,491.52, 4,815.72 and 2,703.84

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Solution

The fourth proportional to 3,491.52, 4,815.72 and 2,703.84 is: 3,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.52 : 4,815.72 = 2,703.84 : x
  2. Step 2: Convert to fraction form
    3,491.52/4,815.72 = 2,703.84/x
  3. Step 3: Cross multiply
    3,491.52x = 4,815.72 × 2,703.84
  4. Step 4: Simplify right side
    3,491.52x = 13,020,936.36
  5. Step 5: Solve for x
    x = 13,020,936.36/3,491.52
  6. Step 6: Final answer
    x = 3,729.30

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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.