Home / 1,493.65-2,238.87-945.99

Finding the Fourth Proportional to 1,493.65, 2,238.87 and 945.99

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Solution

The fourth proportional to 1,493.65, 2,238.87 and 945.99 is: 1,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.65 : 2,238.87 = 945.99 : x
  2. Step 2: Convert to fraction form
    1,493.65/2,238.87 = 945.99/x
  3. Step 3: Cross multiply
    1,493.65x = 2,238.87 × 945.99
  4. Step 4: Simplify right side
    1,493.65x = 2,117,948.63
  5. Step 5: Solve for x
    x = 2,117,948.63/1,493.65
  6. Step 6: Final answer
    x = 1,417.97

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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.