Home / 3,783.08-5,208.72-3,432.76

Finding the Fourth Proportional to 3,783.08, 5,208.72 and 3,432.76

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Solution

The fourth proportional to 3,783.08, 5,208.72 and 3,432.76 is: 4,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.08 : 5,208.72 = 3,432.76 : x
  2. Step 2: Convert to fraction form
    3,783.08/5,208.72 = 3,432.76/x
  3. Step 3: Cross multiply
    3,783.08x = 5,208.72 × 3,432.76
  4. Step 4: Simplify right side
    3,783.08x = 17,880,285.67
  5. Step 5: Solve for x
    x = 17,880,285.67/3,783.08
  6. Step 6: Final answer
    x = 4,726.38

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Half scale
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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.