Home / 1,670.27-2,505.06-630.25

Finding the Fourth Proportional to 1,670.27, 2,505.06 and 630.25

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Solution

The fourth proportional to 1,670.27, 2,505.06 and 630.25 is: 945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.27 : 2,505.06 = 630.25 : x
  2. Step 2: Convert to fraction form
    1,670.27/2,505.06 = 630.25/x
  3. Step 3: Cross multiply
    1,670.27x = 2,505.06 × 630.25
  4. Step 4: Simplify right side
    1,670.27x = 1,578,807.80
  5. Step 5: Solve for x
    x = 1,578,807.80/1,670.27
  6. Step 6: Final answer
    x = 945.24

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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.