Home / 1,151.14-1,727.05-603.25

Finding the Fourth Proportional to 1,151.14, 1,727.05 and 603.25

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Solution

The fourth proportional to 1,151.14, 1,727.05 and 603.25 is: 905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.14 : 1,727.05 = 603.25 : x
  2. Step 2: Convert to fraction form
    1,151.14/1,727.05 = 603.25/x
  3. Step 3: Cross multiply
    1,151.14x = 1,727.05 × 603.25
  4. Step 4: Simplify right side
    1,151.14x = 1,041,836.52
  5. Step 5: Solve for x
    x = 1,041,836.52/1,151.14
  6. Step 6: Final answer
    x = 905.05

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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.