Home / 3,341.62-5,011.61-1,392.76

Finding the Fourth Proportional to 3,341.62, 5,011.61 and 1,392.76

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Solution

The fourth proportional to 3,341.62, 5,011.61 and 1,392.76 is: 2,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.62 : 5,011.61 = 1,392.76 : x
  2. Step 2: Convert to fraction form
    3,341.62/5,011.61 = 1,392.76/x
  3. Step 3: Cross multiply
    3,341.62x = 5,011.61 × 1,392.76
  4. Step 4: Simplify right side
    3,341.62x = 6,979,969.94
  5. Step 5: Solve for x
    x = 6,979,969.94/3,341.62
  6. Step 6: Final answer
    x = 2,088.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.