Home / 1,971.40-2,942.67-1,737.87

Finding the Fourth Proportional to 1,971.40, 2,942.67 and 1,737.87

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Solution

The fourth proportional to 1,971.40, 2,942.67 and 1,737.87 is: 2,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.40 : 2,942.67 = 1,737.87 : x
  2. Step 2: Convert to fraction form
    1,971.40/2,942.67 = 1,737.87/x
  3. Step 3: Cross multiply
    1,971.40x = 2,942.67 × 1,737.87
  4. Step 4: Simplify right side
    1,971.40x = 5,113,977.91
  5. Step 5: Solve for x
    x = 5,113,977.91/1,971.40
  6. Step 6: Final answer
    x = 2,594.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.