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Finding the Fourth Proportional to 1,700.03, 2,550.07 and 660.09

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Solution

The fourth proportional to 1,700.03, 2,550.07 and 660.09 is: 990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.03 : 2,550.07 = 660.09 : x
  2. Step 2: Convert to fraction form
    1,700.03/2,550.07 = 660.09/x
  3. Step 3: Cross multiply
    1,700.03x = 2,550.07 × 660.09
  4. Step 4: Simplify right side
    1,700.03x = 1,683,275.71
  5. Step 5: Solve for x
    x = 1,683,275.71/1,700.03
  6. Step 6: Final answer
    x = 990.14

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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.