Home / 3,130.40-4,696.43-1,182.62

Finding the Fourth Proportional to 3,130.40, 4,696.43 and 1,182.62

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Solution

The fourth proportional to 3,130.40, 4,696.43 and 1,182.62 is: 1,774.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.40 : 4,696.43 = 1,182.62 : x
  2. Step 2: Convert to fraction form
    3,130.40/4,696.43 = 1,182.62/x
  3. Step 3: Cross multiply
    3,130.40x = 4,696.43 × 1,182.62
  4. Step 4: Simplify right side
    3,130.40x = 5,554,097.87
  5. Step 5: Solve for x
    x = 5,554,097.87/3,130.40
  6. Step 6: Final answer
    x = 1,774.24

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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.