Home / 3,007.61-4,510.34-1,157.78

Finding the Fourth Proportional to 3,007.61, 4,510.34 and 1,157.78

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Solution

The fourth proportional to 3,007.61, 4,510.34 and 1,157.78 is: 1,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.61 : 4,510.34 = 1,157.78 : x
  2. Step 2: Convert to fraction form
    3,007.61/4,510.34 = 1,157.78/x
  3. Step 3: Cross multiply
    3,007.61x = 4,510.34 × 1,157.78
  4. Step 4: Simplify right side
    3,007.61x = 5,221,975.66
  5. Step 5: Solve for x
    x = 5,221,975.66/3,007.61
  6. Step 6: Final answer
    x = 1,736.25

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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.