Home / 3,360.60-5,038.89-1,384.70

Finding the Fourth Proportional to 3,360.60, 5,038.89 and 1,384.70

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Solution

The fourth proportional to 3,360.60, 5,038.89 and 1,384.70 is: 2,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.60 : 5,038.89 = 1,384.70 : x
  2. Step 2: Convert to fraction form
    3,360.60/5,038.89 = 1,384.70/x
  3. Step 3: Cross multiply
    3,360.60x = 5,038.89 × 1,384.70
  4. Step 4: Simplify right side
    3,360.60x = 6,977,350.98
  5. Step 5: Solve for x
    x = 6,977,350.98/3,360.60
  6. Step 6: Final answer
    x = 2,076.22

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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.