Home / 3,160.89-4,730.40-1,974.51

Finding the Fourth Proportional to 3,160.89, 4,730.40 and 1,974.51

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Solution

The fourth proportional to 3,160.89, 4,730.40 and 1,974.51 is: 2,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.89 : 4,730.40 = 1,974.51 : x
  2. Step 2: Convert to fraction form
    3,160.89/4,730.40 = 1,974.51/x
  3. Step 3: Cross multiply
    3,160.89x = 4,730.40 × 1,974.51
  4. Step 4: Simplify right side
    3,160.89x = 9,340,222.10
  5. Step 5: Solve for x
    x = 9,340,222.10/3,160.89
  6. Step 6: Final answer
    x = 2,954.93

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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.