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Finding the Fourth Proportional to 3,340.94, 5,011.65 and 1,000.89

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Solution

The fourth proportional to 3,340.94, 5,011.65 and 1,000.89 is: 1,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.94 : 5,011.65 = 1,000.89 : x
  2. Step 2: Convert to fraction form
    3,340.94/5,011.65 = 1,000.89/x
  3. Step 3: Cross multiply
    3,340.94x = 5,011.65 × 1,000.89
  4. Step 4: Simplify right side
    3,340.94x = 5,016,110.37
  5. Step 5: Solve for x
    x = 5,016,110.37/3,340.94
  6. Step 6: Final answer
    x = 1,501.41

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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.