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Finding the Fourth Proportional to 2,237.79, 3,357.90 and 940.17

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Solution

The fourth proportional to 2,237.79, 3,357.90 and 940.17 is: 1,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.79 : 3,357.90 = 940.17 : x
  2. Step 2: Convert to fraction form
    2,237.79/3,357.90 = 940.17/x
  3. Step 3: Cross multiply
    2,237.79x = 3,357.90 × 940.17
  4. Step 4: Simplify right side
    2,237.79x = 3,156,996.84
  5. Step 5: Solve for x
    x = 3,156,996.84/2,237.79
  6. Step 6: Final answer
    x = 1,410.77

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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.