Home / 3,151.40-4,723.75-1,504.47

Finding the Fourth Proportional to 3,151.40, 4,723.75 and 1,504.47

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Solution

The fourth proportional to 3,151.40, 4,723.75 and 1,504.47 is: 2,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.40 : 4,723.75 = 1,504.47 : x
  2. Step 2: Convert to fraction form
    3,151.40/4,723.75 = 1,504.47/x
  3. Step 3: Cross multiply
    3,151.40x = 4,723.75 × 1,504.47
  4. Step 4: Simplify right side
    3,151.40x = 7,106,740.16
  5. Step 5: Solve for x
    x = 7,106,740.16/3,151.40
  6. Step 6: Final answer
    x = 2,255.11

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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.