Home / 2,027.84-3,038.72-1,247.81

Finding the Fourth Proportional to 2,027.84, 3,038.72 and 1,247.81

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Solution

The fourth proportional to 2,027.84, 3,038.72 and 1,247.81 is: 1,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.84 : 3,038.72 = 1,247.81 : x
  2. Step 2: Convert to fraction form
    2,027.84/3,038.72 = 1,247.81/x
  3. Step 3: Cross multiply
    2,027.84x = 3,038.72 × 1,247.81
  4. Step 4: Simplify right side
    2,027.84x = 3,791,723.77
  5. Step 5: Solve for x
    x = 3,791,723.77/2,027.84
  6. Step 6: Final answer
    x = 1,869.84

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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.