Home / 3,259.16-4,885.71-1,285.87

Finding the Fourth Proportional to 3,259.16, 4,885.71 and 1,285.87

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Solution

The fourth proportional to 3,259.16, 4,885.71 and 1,285.87 is: 1,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.16 : 4,885.71 = 1,285.87 : x
  2. Step 2: Convert to fraction form
    3,259.16/4,885.71 = 1,285.87/x
  3. Step 3: Cross multiply
    3,259.16x = 4,885.71 × 1,285.87
  4. Step 4: Simplify right side
    3,259.16x = 6,282,363.49
  5. Step 5: Solve for x
    x = 6,282,363.49/3,259.16
  6. Step 6: Final answer
    x = 1,927.60

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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.