Home / 1,972.40-2,944.16-1,738.87

Finding the Fourth Proportional to 1,972.40, 2,944.16 and 1,738.87

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Solution

The fourth proportional to 1,972.40, 2,944.16 and 1,738.87 is: 2,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.40 : 2,944.16 = 1,738.87 : x
  2. Step 2: Convert to fraction form
    1,972.40/2,944.16 = 1,738.87/x
  3. Step 3: Cross multiply
    1,972.40x = 2,944.16 × 1,738.87
  4. Step 4: Simplify right side
    1,972.40x = 5,119,511.50
  5. Step 5: Solve for x
    x = 5,119,511.50/1,972.40
  6. Step 6: Final answer
    x = 2,595.57

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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.