Home / 3,247.05-4,870.33-1,856.02

Finding the Fourth Proportional to 3,247.05, 4,870.33 and 1,856.02

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Solution

The fourth proportional to 3,247.05, 4,870.33 and 1,856.02 is: 2,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.05 : 4,870.33 = 1,856.02 : x
  2. Step 2: Convert to fraction form
    3,247.05/4,870.33 = 1,856.02/x
  3. Step 3: Cross multiply
    3,247.05x = 4,870.33 × 1,856.02
  4. Step 4: Simplify right side
    3,247.05x = 9,039,429.89
  5. Step 5: Solve for x
    x = 9,039,429.89/3,247.05
  6. Step 6: Final answer
    x = 2,783.89

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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.