Home / 1,816.82-2,724.10-841.67

Finding the Fourth Proportional to 1,816.82, 2,724.10 and 841.67

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Solution

The fourth proportional to 1,816.82, 2,724.10 and 841.67 is: 1,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.82 : 2,724.10 = 841.67 : x
  2. Step 2: Convert to fraction form
    1,816.82/2,724.10 = 841.67/x
  3. Step 3: Cross multiply
    1,816.82x = 2,724.10 × 841.67
  4. Step 4: Simplify right side
    1,816.82x = 2,292,793.25
  5. Step 5: Solve for x
    x = 2,292,793.25/1,816.82
  6. Step 6: Final answer
    x = 1,261.98

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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.