Home / 1,715.99-2,369.05-1,192.73

Finding the Fourth Proportional to 1,715.99, 2,369.05 and 1,192.73

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Solution

The fourth proportional to 1,715.99, 2,369.05 and 1,192.73 is: 1,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.99 : 2,369.05 = 1,192.73 : x
  2. Step 2: Convert to fraction form
    1,715.99/2,369.05 = 1,192.73/x
  3. Step 3: Cross multiply
    1,715.99x = 2,369.05 × 1,192.73
  4. Step 4: Simplify right side
    1,715.99x = 2,825,622.18
  5. Step 5: Solve for x
    x = 2,825,622.18/1,715.99
  6. Step 6: Final answer
    x = 1,646.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.