Home / 3,064.89-4,228.81-1,805.85

Finding the Fourth Proportional to 3,064.89, 4,228.81 and 1,805.85

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Solution

The fourth proportional to 3,064.89, 4,228.81 and 1,805.85 is: 2,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.89 : 4,228.81 = 1,805.85 : x
  2. Step 2: Convert to fraction form
    3,064.89/4,228.81 = 1,805.85/x
  3. Step 3: Cross multiply
    3,064.89x = 4,228.81 × 1,805.85
  4. Step 4: Simplify right side
    3,064.89x = 7,636,592.02
  5. Step 5: Solve for x
    x = 7,636,592.02/3,064.89
  6. Step 6: Final answer
    x = 2,491.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.