Home / 1,944.90-2,920.08-1,856.73

Finding the Fourth Proportional to 1,944.90, 2,920.08 and 1,856.73

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Solution

The fourth proportional to 1,944.90, 2,920.08 and 1,856.73 is: 2,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.90 : 2,920.08 = 1,856.73 : x
  2. Step 2: Convert to fraction form
    1,944.90/2,920.08 = 1,856.73/x
  3. Step 3: Cross multiply
    1,944.90x = 2,920.08 × 1,856.73
  4. Step 4: Simplify right side
    1,944.90x = 5,421,800.14
  5. Step 5: Solve for x
    x = 5,421,800.14/1,944.90
  6. Step 6: Final answer
    x = 2,787.70

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1.5x scale

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.